100155657066172 has 24 divisors (see below), whose sum is σ = 177008581920240. Its totient is φ = 49581781065600.

The previous prime is 100155657066167. The next prime is 100155657066181. The reversal of 100155657066172 is 271660756551001.

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, 118422903 + ... + 119265649.

It is an arithmetic number, because the mean of its divisors is an integer number (7375357580010).

Almost surely, 2^{100155657066172} is an apocalyptic number.

It is an amenable number.

100155657066172 is a deficient number, since it is larger than the sum of its proper divisors (76852924854068).

100155657066172 is a wasteful number, since it uses less digits than its factorization.

100155657066172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137021 (or 1137019 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 100155657066172 in words is "one hundred trillion, one hundred fifty-five billion, six hundred fifty-seven million, sixty-six thousand, one hundred seventy-two".