155155101512 has 16 divisors (see below), whose sum is σ = 291420010860. Its totient is φ = 77443098624.

The previous prime is 155155101469. The next prime is 155155101539. The reversal of 155155101512 is 215101551551.

It can be written as a sum of positive squares in 2 ways, for example, as 141853169956 + 13301931556 = 376634^2 + 115334^2 .

It is a super-2 number, since 2×155155101512² (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 3 ways as a sum of consecutive naturals, for example, 16801613 + ... + 16810844.

Almost surely, 2^155155101512 is an apocalyptic number.

It is an amenable number.

155155101512 is a deficient number, since it is larger than the sum of its proper divisors (136264909348).

155155101512 is a wasteful number, since it uses less digits than its factorization.

155155101512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33613040 (or 33613036 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 32.

The spelling of 155155101512 in words is "one hundred fifty-five billion, one hundred fifty-five million, one hundred one thousand, five hundred twelve".