100155657066171 has 16 divisors (see below), whose sum is σ = 155497731727104. Its totient is φ = 56151958677984.

The previous prime is 100155657066167. The next prime is 100155657066181. The reversal of 100155657066171 is 171660756551001.

It is not a de Polignac number, because 100155657066171 - 2² = 100155657066167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100155657066121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44993555521 + ... + 44993557746.

It is an arithmetic number, because the mean of its divisors is an integer number (9718608232944).

Almost surely, 2^{100155657066171} is an apocalyptic number.

100155657066171 is a deficient number, since it is larger than the sum of its proper divisors (55342074660933).

100155657066171 is an equidigital number, since it uses as much as digits as its factorization.

100155657066171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89987113330.

The product of its (nonzero) digits is 1323000, while the sum is 51.

The spelling of 100155657066171 in words is "one hundred trillion, one hundred fifty-five billion, six hundred fifty-seven million, sixty-six thousand, one hundred seventy-one".