155655565012 has 24 divisors (see below), whose sum is σ = 272944397376. Its totient is φ = 77671563648.

The previous prime is 155655565007. The next prime is 155655565027. The reversal of 155655565012 is 210565556551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6219468 + ... + 6244444.

It is an arithmetic number, because the mean of its divisors is an integer number (11372683224).

Almost surely, 2^155655565012 is an apocalyptic number.

It is an amenable number.

155655565012 is a deficient number, since it is larger than the sum of its proper divisors (117288832364).

155655565012 is a wasteful number, since it uses less digits than its factorization.

155655565012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28047 (or 28045 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 46.

The spelling of 155655565012 in words is "one hundred fifty-five billion, six hundred fifty-five million, five hundred sixty-five thousand, twelve".