155881427702 has 96 divisors (see below), whose sum is σ = 316605542400. Its totient is φ = 56010905280.

The previous prime is 155881427677. The next prime is 155881427719. The reversal of 155881427702 is 207724188551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31687199 + ... + 31692117.

It is an arithmetic number, because the mean of its divisors is an integer number (3297974400).

Almost surely, 2^155881427702 is an apocalyptic number.

155881427702 is an abundant number, since it is smaller than the sum of its proper divisors (160724114698).

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

155881427702 is a wasteful number, since it uses less digits than its factorization.

155881427702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402 (or 6391 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 50.

The spelling of 155881427702 in words is "one hundred fifty-five billion, eight hundred eighty-one million, four hundred twenty-seven thousand, seven hundred two".