155657113626122 has 8 divisors (see below), whose sum is σ = 233485727059200. Its totient is φ = 77828537939724.

The previous prime is 155657113626067. The next prime is 155657113626149. The reversal of 155657113626122 is 221626311756551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5780129 + ... + 18566747.

It is an arithmetic number, because the mean of its divisors is an integer number (29185715882400).

Almost surely, 2^{155657113626122} is an apocalyptic number.

155657113626122 is a deficient number, since it is larger than the sum of its proper divisors (77828613433078).

155657113626122 is a wasteful number, since it uses less digits than its factorization.

155657113626122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18873340.

The product of its digits is 4536000, while the sum is 53.

The spelling of 155657113626122 in words is "one hundred fifty-five trillion, six hundred fifty-seven billion, one hundred thirteen million, six hundred twenty-six thousand, one hundred twenty-two".