115511961344 has 36 divisors (see below), whose sum is σ = 248309073096. Its totient is φ = 53313211392.

The previous prime is 115511961329. The next prime is 115511961373. The reversal of 115511961344 is 443169115511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17351234 + ... + 17357889.

Almost surely, 2^115511961344 is an apocalyptic number.

It is an amenable number.

115511961344 is an abundant number, since it is smaller than the sum of its proper divisors (132797111752).

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

115511961344 is an equidigital number, since it uses as much as digits as its factorization.

115511961344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34709152 (or 34709138 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The spelling of 115511961344 in words is "one hundred fifteen billion, five hundred eleven million, nine hundred sixty-one thousand, three hundred forty-four".