155274473612 has 24 divisors (see below), whose sum is σ = 272668569600. Its totient is φ = 77369611536.

The previous prime is 155274473561. The next prime is 155274473647. The reversal of 155274473612 is 216374472551.

It is a super-2 number, since 2×155274473612² (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, 1361093 + ... + 1470755.

It is an arithmetic number, because the mean of its divisors is an integer number (11361190400).

Almost surely, 2^155274473612 is an apocalyptic number.

It is an amenable number.

155274473612 is a deficient number, since it is larger than the sum of its proper divisors (117394095988).

155274473612 is a wasteful number, since it uses less digits than its factorization.

155274473612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110885 (or 110883 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 47.

The spelling of 155274473612 in words is "one hundred fifty-five billion, two hundred seventy-four million, four hundred seventy-three thousand, six hundred twelve".