155578613008 has 40 divisors (see below), whose sum is σ = 370995157568. Its totient is φ = 61547582592.

The previous prime is 155578612961. The next prime is 155578613009. The reversal of 155578613008 is 800316875551.

It is not an unprimeable number, because it can be changed into a prime (155578613009) 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, 53425266 + ... + 53428177.

Almost surely, 2^155578613008 is an apocalyptic number.

It is an amenable number.

155578613008 is an abundant number, since it is smaller than the sum of its proper divisors (215416544560).

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

155578613008 is a wasteful number, since it uses less digits than its factorization.

155578613008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106853471 (or 106853465 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 155578613008 in words is "one hundred fifty-five billion, five hundred seventy-eight million, six hundred thirteen thousand, eight".