11958108516 has 96 divisors (see below), whose sum is σ = 33885250560. Its totient is φ = 3630528000.

The previous prime is 11958108511. The next prime is 11958108557. The reversal of 11958108516 is 61580185911.

11958108516 is a `hidden beast` number, since 1 + 19 + 581 + 0 + 8 + 51 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (11958108511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48135 + ... + 161966.

It is an arithmetic number, because the mean of its divisors is an integer number (352971360).

Almost surely, 2^11958108516 is an apocalyptic number.

It is an amenable number.

11958108516 is an abundant number, since it is smaller than the sum of its proper divisors (21927142044).

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

11958108516 is a wasteful number, since it uses less digits than its factorization.

11958108516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210162 (or 210154 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 45.

The spelling of 11958108516 in words is "eleven billion, nine hundred fifty-eight million, one hundred eight thousand, five hundred sixteen".