155644552355 has 16 divisors (see below), whose sum is σ = 198812685600. Its totient is φ = 116636762880.

The previous prime is 155644552337. The next prime is 155644552363. The reversal of 155644552355 is 553255446551.

It is not a de Polignac number, because 155644552355 - 2¹² = 155644548259 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9195836 + ... + 9212745.

It is an arithmetic number, because the mean of its divisors is an integer number (12425792850).

Almost surely, 2^155644552355 is an apocalyptic number.

155644552355 is a deficient number, since it is larger than the sum of its proper divisors (43168133245).

155644552355 is a wasteful number, since it uses less digits than its factorization.

155644552355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18408694.

The product of its digits is 9000000, while the sum is 50.

The spelling of 155644552355 in words is "one hundred fifty-five billion, six hundred forty-four million, five hundred fifty-two thousand, three hundred fifty-five".