116521187904 has 315 divisors, whose sum is σ = 380543301523. Its totient is φ = 35227526400.

The previous prime is 116521187837. The next prime is 116521187953. The reversal of 116521187904 is 409781125611.

The square root of 116521187904 is 341352.

It is a perfect power (a square), and thus also a powerful number.

116521187904 is a `hidden beast` number, since 116 + 521 + 1 + 8 + 7 + 9 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 116521187904.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 270350569 + ... + 270350999.

Almost surely, 2^116521187904 is an apocalyptic number.

116521187904 is the 341352-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116521187904

116521187904 is an abundant number, since it is smaller than the sum of its proper divisors (264022113619).

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

116521187904 is an frugal number, since it uses more digits than its factorization.

116521187904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 116521187904 in words is "one hundred sixteen billion, five hundred twenty-one million, one hundred eighty-seven thousand, nine hundred four".