155879559084 has 24 divisors (see below), whose sum is σ = 363753367488. Its totient is φ = 51954939280.

The previous prime is 155879559083. The next prime is 155879559097. The reversal of 155879559084 is 480955978551.

It is not an unprimeable number, because it can be changed into a prime (155879559083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480882 + ... + 736889.

It is an arithmetic number, because the mean of its divisors is an integer number (15156390312).

Almost surely, 2^155879559084 is an apocalyptic number.

It is an amenable number.

155879559084 is an abundant number, since it is smaller than the sum of its proper divisors (207873808404).

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

155879559084 is a wasteful number, since it uses less digits than its factorization.

155879559084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228445 (or 1228443 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 66.

The spelling of 155879559084 in words is "one hundred fifty-five billion, eight hundred seventy-nine million, five hundred fifty-nine thousand, eighty-four".