155556155564 has 24 divisors (see below), whose sum is σ = 288397927440. Its totient is φ = 73161875456.

The previous prime is 155556155563. The next prime is 155556155569. The reversal of 155556155564 is 465551655551.

155556155564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155556155563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 518549 + ... + 761580.

It is an arithmetic number, because the mean of its divisors is an integer number (12016580310).

Almost surely, 2^155556155564 is an apocalyptic number.

It is an amenable number.

155556155564 is a deficient number, since it is larger than the sum of its proper divisors (132841771876).

155556155564 is a wasteful number, since it uses less digits than its factorization.

155556155564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281937 (or 1281935 counting only the distinct ones).

The product of its digits is 11250000, while the sum is 53.

The spelling of 155556155564 in words is "one hundred fifty-five billion, five hundred fifty-six million, one hundred fifty-five thousand, five hundred sixty-four".