155523621266112 has 112 divisors (see below), whose sum is σ = 472523921193600. Its totient is φ = 44647929538560.

The previous prime is 155523621266099. The next prime is 155523621266203. The reversal of 155523621266112 is 211662126325551.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937804037 + ... + 1937884292.

Almost surely, 2^{155523621266112} is an apocalyptic number.

155523621266112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155523621266112 is an abundant number, since it is smaller than the sum of its proper divisors (317000299927488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155523621266112 is a wasteful number, since it uses less digits than its factorization.

155523621266112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875688374 (or 3875688364 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The spelling of 155523621266112 in words is "one hundred fifty-five trillion, five hundred twenty-three billion, six hundred twenty-one million, two hundred sixty-six thousand, one hundred twelve".