113515315440 has 40 divisors (see below), whose sum is σ = 351897478608. Its totient is φ = 30270750720.

The previous prime is 113515315429. The next prime is 113515315469. The reversal of 113515315440 is 44513515311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236490001 + ... + 236490480.

Almost surely, 2^113515315440 is an apocalyptic number.

113515315440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113515315440 is an abundant number, since it is smaller than the sum of its proper divisors (238382163168).

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

113515315440 is a wasteful number, since it uses less digits than its factorization.

113515315440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472980497 (or 472980491 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 113515315440 in words is "one hundred thirteen billion, five hundred fifteen million, three hundred fifteen thousand, four hundred forty".