115365987805 has 32 divisors (see below), whose sum is σ = 147989923200. Its totient is φ = 86078184192.

The previous prime is 115365987773. The next prime is 115365987817. The reversal of 115365987805 is 508789563511.

It is a cyclic number.

It is not a de Polignac number, because 115365987805 - 2⁵ = 115365987773 is a prime.

It is a super-2 number, since 2×115365987805² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115365987805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12910119 + ... + 12919051.

It is an arithmetic number, because the mean of its divisors is an integer number (4624685100).

Almost surely, 2^115365987805 is an apocalyptic number.

It is an amenable number.

115365987805 is a deficient number, since it is larger than the sum of its proper divisors (32623935395).

115365987805 is a wasteful number, since it uses less digits than its factorization.

115365987805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11053.

The product of its (nonzero) digits is 9072000, while the sum is 58.

The spelling of 115365987805 in words is "one hundred fifteen billion, three hundred sixty-five million, nine hundred eighty-seven thousand, eight hundred five".