115765727261555 has 64 divisors (see below), whose sum is σ = 166478634685440. Its totient is φ = 75633431118336.

The previous prime is 115765727261543. The next prime is 115765727261563. The reversal of 115765727261555 is 555162727567511.

It is not a de Polignac number, because 115765727261555 - 2¹⁴ = 115765727245171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115765727261491 and 115765727261500.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9604736 + ... + 17993954.

It is an arithmetic number, because the mean of its divisors is an integer number (2601228666960).

Almost surely, 2^{115765727261555} is an apocalyptic number.

115765727261555 is a deficient number, since it is larger than the sum of its proper divisors (50712907423885).

115765727261555 is a wasteful number, since it uses less digits than its factorization.

115765727261555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8389500.

The product of its digits is 154350000, while the sum is 65.

The spelling of 115765727261555 in words is "one hundred fifteen trillion, seven hundred sixty-five billion, seven hundred twenty-seven million, two hundred sixty-one thousand, five hundred fifty-five".