116615511544 has 32 divisors (see below), whose sum is σ = 258507295200. Its totient is φ = 48254693760.

The previous prime is 116615511533. The next prime is 116615511547. The reversal of 116615511544 is 445115516611.

It is a junction number, because it is equal to n+sod(n) for n = 116615511497 and 116615511506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116615511547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35902167 + ... + 35905414.

It is an arithmetic number, because the mean of its divisors is an integer number (8078352975).

Almost surely, 2^116615511544 is an apocalyptic number.

116615511544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

116615511544 is an abundant number, since it is smaller than the sum of its proper divisors (141891783656).

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

116615511544 is a wasteful number, since it uses less digits than its factorization.

116615511544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71807623 (or 71807619 counting only the distinct ones).

The product of its digits is 72000, while the sum is 40.

The spelling of 116615511544 in words is "one hundred sixteen billion, six hundred fifteen million, five hundred eleven thousand, five hundred forty-four".