115666642632120 has 64 divisors (see below), whose sum is σ = 348108553977120. Its totient is φ = 30745893494784.

The previous prime is 115666642632109. The next prime is 115666642632383. The reversal of 115666642632120 is 21236246666511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539720729 + ... + 1539795848.

Almost surely, 2^{115666642632120} is an apocalyptic number.

115666642632120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115666642632120 is an abundant number, since it is smaller than the sum of its proper divisors (232441911345000).

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

115666642632120 is a wasteful number, since it uses less digits than its factorization.

115666642632120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079516904 (or 3079516900 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 115666642632120 in words is "one hundred fifteen trillion, six hundred sixty-six billion, six hundred forty-two million, six hundred thirty-two thousand, one hundred twenty".