115033910557 has 16 divisors (see below), whose sum is σ = 122274094320. Its totient is φ = 108221131776.

The previous prime is 115033910543. The next prime is 115033910567. The reversal of 115033910557 is 755019330511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 23594803236 + 91439107321 = 153606^2 + 302389^2 .

It is a de Polignac number, because none of the positive numbers 2^k-115033910557 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 (115033910567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18631923 + ... + 18638095.

It is an arithmetic number, because the mean of its divisors is an integer number (7642130895).

Almost surely, 2^115033910557 is an apocalyptic number.

115033910557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

115033910557 is a deficient number, since it is larger than the sum of its proper divisors (7240183763).

115033910557 is an frugal number, since it uses more digits than its factorization.

115033910557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017 (or 9983 counting only the distinct ones).

The product of its (nonzero) digits is 70875, while the sum is 40.

The spelling of 115033910557 in words is "one hundred fifteen billion, thirty-three million, nine hundred ten thousand, five hundred fifty-seven".