155901359632 has 20 divisors (see below), whose sum is σ = 315191880000. Its totient is φ = 74561519648.

The previous prime is 155901359591. The next prime is 155901359639. The reversal of 155901359632 is 236953109551.

It is not an unprimeable number, because it can be changed into a prime (155901359639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211822132 + ... + 211822867.

It is an arithmetic number, because the mean of its divisors is an integer number (15759594000).

Almost surely, 2^155901359632 is an apocalyptic number.

It is an amenable number.

155901359632 is an abundant number, since it is smaller than the sum of its proper divisors (159290520368).

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

155901359632 is a wasteful number, since it uses less digits than its factorization.

155901359632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423645030 (or 423645024 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 49.

The spelling of 155901359632 in words is "one hundred fifty-five billion, nine hundred one million, three hundred fifty-nine thousand, six hundred thirty-two".