155606605500 has 48 divisors (see below), whose sum is σ = 453126439584. Its totient is φ = 41495094400.

The previous prime is 155606605463. The next prime is 155606605549. The reversal of 155606605500 is 5506606551.

155606605500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51867369 + ... + 51870368.

It is an arithmetic number, because the mean of its divisors is an integer number (9440134158).

Almost surely, 2^155606605500 is an apocalyptic number.

155606605500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155606605500 is an abundant number, since it is smaller than the sum of its proper divisors (297519834084).

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

155606605500 is a wasteful number, since it uses less digits than its factorization.

155606605500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103737759 (or 103737747 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 155606605500 in words is "one hundred fifty-five billion, six hundred six million, six hundred five thousand, five hundred".