115015140212053 has 4 divisors (see below), whose sum is σ = 118981179529740. Its totient is φ = 111049100894368.

The previous prime is 115015140212041. The next prime is 115015140212099. The reversal of 115015140212053 is 350212041510511.

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 77512229634609 + 37502910577444 = 8804103^2 + 6123962^2 .

It is a cyclic number.

It is not a de Polignac number, because 115015140212053 - 2²¹ = 115015138114901 is a prime.

It is a super-2 number, since 2×115015140212053² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115015140212953) 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, 1983019658800 + ... + 1983019658857.

It is an arithmetic number, because the mean of its divisors is an integer number (29745294882435).

Almost surely, 2^{115015140212053} is an apocalyptic number.

It is an amenable number.

115015140212053 is a deficient number, since it is larger than the sum of its proper divisors (3966039317687).

115015140212053 is an equidigital number, since it uses as much as digits as its factorization.

115015140212053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966039317686.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 115015140212053 its reverse (350212041510511), we get a palindrome (465227181722564).

The spelling of 115015140212053 in words is "one hundred fifteen trillion, fifteen billion, one hundred forty million, two hundred twelve thousand, fifty-three".