115116561161000 has 128 divisors (see below), whose sum is σ = 310069358726400. Its totient is φ = 39184588627200.

The previous prime is 115116561160973. The next prime is 115116561161033. The reversal of 115116561161000 is 161165611511.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58182479 + ... + 60128478.

It is an arithmetic number, because the mean of its divisors is an integer number (2422416865050).

Almost surely, 2^{115116561161000} is an apocalyptic number.

115116561161000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115116561161000 is an abundant number, since it is smaller than the sum of its proper divisors (194952797565400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115116561161000 is a wasteful number, since it uses less digits than its factorization.

115116561161000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118311124 (or 118311110 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 35.

The spelling of 115116561161000 in words is "one hundred fifteen trillion, one hundred sixteen billion, five hundred sixty-one million, one hundred sixty-one thousand".