155165515106 has 16 divisors (see below), whose sum is σ = 268986769920. Its totient is φ = 65752320480.

The previous prime is 155165515091. The next prime is 155165515163. The reversal of 155165515106 is 601515561551.

It is a super-2 number, since 2×155165515106² (a number of 23 digits) contains 22 as substring.

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, 62264210 + ... + 62266701.

It is an arithmetic number, because the mean of its divisors is an integer number (16811673120).

Almost surely, 2^155165515106 is an apocalyptic number.

155165515106 is a deficient number, since it is larger than the sum of its proper divisors (113821254814).

155165515106 is a wasteful number, since it uses less digits than its factorization.

155165515106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124531009.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 155165515106 in words is "one hundred fifty-five billion, one hundred sixty-five million, five hundred fifteen thousand, one hundred six".