115235989061555 has 16 divisors (see below), whose sum is σ = 138356248176000. Its totient is φ = 92140095851520.

The previous prime is 115235989061539. The next prime is 115235989061681. The reversal of 115235989061555 is 555160989532511.

It is not a de Polignac number, because 115235989061555 - 2⁴ = 115235989061539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115235989061491 and 115235989061500.

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, 75607670 + ... + 77116740.

It is an arithmetic number, because the mean of its divisors is an integer number (8647265511000).

Almost surely, 2^{115235989061555} is an apocalyptic number.

115235989061555 is a deficient number, since it is larger than the sum of its proper divisors (23120259114445).

115235989061555 is a wasteful number, since it uses less digits than its factorization.

115235989061555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517134.

The product of its (nonzero) digits is 72900000, while the sum is 65.

The spelling of 115235989061555 in words is "one hundred fifteen trillion, two hundred thirty-five billion, nine hundred eighty-nine million, sixty-one thousand, five hundred fifty-five".