155571407152 has 40 divisors (see below), whose sum is σ = 359456921856. Its totient is φ = 63774613056.

The previous prime is 155571407119. The next prime is 155571407161. The reversal of 155571407152 is 251704175551.

155571407152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155571407152² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155571407099 and 155571407108.

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, 30193738 + ... + 30198889.

Almost surely, 2^155571407152 is an apocalyptic number.

It is an amenable number.

155571407152 is an abundant number, since it is smaller than the sum of its proper divisors (203885514704).

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

155571407152 is a wasteful number, since it uses less digits than its factorization.

155571407152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60392665 (or 60392659 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 43.

The spelling of 155571407152 in words is "one hundred fifty-five billion, five hundred seventy-one million, four hundred seven thousand, one hundred fifty-two".