115951904992 has 144 divisors (see below), whose sum is σ = 299037795840. Its totient is φ = 43718572800.

The previous prime is 115951904983. The next prime is 115951905001. The reversal of 115951904992 is 299409159511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115951904983) and next prime (115951905001).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426259 + ... + 643117.

It is an arithmetic number, because the mean of its divisors is an integer number (2076651360).

Almost surely, 2^115951904992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115951904992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149518897920).

115951904992 is an abundant number, since it is smaller than the sum of its proper divisors (183085890848).

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

115951904992 is a wasteful number, since it uses less digits than its factorization.

115951904992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216925 (or 216910 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 55.

The spelling of 115951904992 in words is "one hundred fifteen billion, nine hundred fifty-one million, nine hundred four thousand, nine hundred ninety-two".