115640463515 has 16 divisors (see below), whose sum is σ = 149469196800. Its totient is φ = 85605079392.

The previous prime is 115640463487. The next prime is 115640463569. The reversal of 115640463515 is 515364046511.

It is a cyclic number.

It is not a de Polignac number, because 115640463515 - 2¹⁸ = 115640201371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14150195 + ... + 14158364.

It is an arithmetic number, because the mean of its divisors is an integer number (9341824800).

Almost surely, 2^115640463515 is an apocalyptic number.

115640463515 is a deficient number, since it is larger than the sum of its proper divisors (33828733285).

115640463515 is a wasteful number, since it uses less digits than its factorization.

115640463515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28308626.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 115640463515 in words is "one hundred fifteen billion, six hundred forty million, four hundred sixty-three thousand, five hundred fifteen".