115115477 has 4 divisors (see below), whose sum is σ = 115187436. Its totient is φ = 115043520.

The previous prime is 115115461. The next prime is 115115489. The reversal of 115115477 is 774511511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56761156 + 58354321 = 7534^2 + 7639^2 .

It is a cyclic number.

It is not a de Polignac number, because 115115477 - 2⁴ = 115115461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115112477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33524 + ... + 36797.

It is an arithmetic number, because the mean of its divisors is an integer number (28796859).

Almost surely, 2^115115477 is an apocalyptic number.

It is an amenable number.

115115477 is a deficient number, since it is larger than the sum of its proper divisors (71959).

115115477 is an equidigital number, since it uses as much as digits as its factorization.

115115477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71958.

The product of its digits is 4900, while the sum is 32.

The square root of 115115477 is about 10729.1880867100. The cubic root of 115115477 is about 486.4571291505.

Adding to 115115477 its reverse (774511511), we get a palindrome (889626988).

The spelling of 115115477 in words is "one hundred fifteen million, one hundred fifteen thousand, four hundred seventy-seven".