115161137316 has 135 divisors (see below), whose sum is σ = 320093358739. Its totient is φ = 36096406272.

The previous prime is 115161137293. The next prime is 115161137341. The reversal of 115161137316 is 613731161511.

The square root of 115161137316 is 339354.

It is a perfect power (a square), and thus also a powerful number.

115161137316 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 611 + 3 + 7 + 31 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14479308900 + 100681828416 = 120330^2 + 317304^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

Its product of digits (11340) is a multiple of the sum of its prime factors (2268).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 103841770 + ... + 103842878.

Almost surely, 2^115161137316 is an apocalyptic number.

115161137316 is the 339354-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115161137316

115161137316 is an abundant number, since it is smaller than the sum of its proper divisors (204932221423).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115161137316 is an equidigital number, since it uses as much as digits as its factorization.

115161137316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 1131 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

Multiplying 115161137316 by its sum of digits (36), we get a square (4145800943376 = 2036124²).

115161137316 divided by its sum of digits (36) gives a square (3198920481 = 56559²).

Adding to 115161137316 its reverse (613731161511), we get a palindrome (728892298827).

The spelling of 115161137316 in words is "one hundred fifteen billion, one hundred sixty-one million, one hundred thirty-seven thousand, three hundred sixteen".