155891256882 has 64 divisors (see below), whose sum is σ = 338285666304. Its totient is φ = 47749806720.

The previous prime is 155891256809. The next prime is 155891256883. The reversal of 155891256882 is 288652198551.

It is not an unprimeable number, because it can be changed into a prime (155891256883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453093 + ... + 719079.

It is an arithmetic number, because the mean of its divisors is an integer number (5285713536).

Almost surely, 2^155891256882 is an apocalyptic number.

155891256882 is an abundant number, since it is smaller than the sum of its proper divisors (182394409422).

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

155891256882 is a wasteful number, since it uses less digits than its factorization.

155891256882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266183.

The product of its digits is 13824000, while the sum is 60.

The spelling of 155891256882 in words is "one hundred fifty-five billion, eight hundred ninety-one million, two hundred fifty-six thousand, eight hundred eighty-two".