115544115640 has 16 divisors (see below), whose sum is σ = 259974260280. Its totient is φ = 46217646240.

The previous prime is 115544115581. The next prime is 115544115677. The reversal of 115544115640 is 46511445511.

It is a self number, because there is not a number n which added to its sum of digits gives 115544115640.

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, 1444301406 + ... + 1444301485.

Almost surely, 2^115544115640 is an apocalyptic number.

115544115640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115544115640 is an abundant number, since it is smaller than the sum of its proper divisors (144430144640).

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

115544115640 is a wasteful number, since it uses less digits than its factorization.

115544115640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888602902 (or 2888602898 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 115544115640 in words is "one hundred fifteen billion, five hundred forty-four million, one hundred fifteen thousand, six hundred forty".