115505610515 has 16 divisors (see below), whose sum is σ = 139404656640. Its totient is φ = 91873945440.

The previous prime is 115505610511. The next prime is 115505610551. The reversal of 115505610515 is 515016505511.

It is not a de Polignac number, because 115505610515 - 2² = 115505610511 is a prime.

It is a super-3 number, since 3×115505610515³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (115505610511) 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, 572366 + ... + 747404.

It is an arithmetic number, because the mean of its divisors is an integer number (8712791040).

Almost surely, 2^115505610515 is an apocalyptic number.

115505610515 is a deficient number, since it is larger than the sum of its proper divisors (23899046125).

115505610515 is a wasteful number, since it uses less digits than its factorization.

115505610515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175802.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 115505610515 in words is "one hundred fifteen billion, five hundred five million, six hundred ten thousand, five hundred fifteen".