155022572552 has 32 divisors (see below), whose sum is σ = 308046249720. Its totient is φ = 72885227520.

The previous prime is 155022572477. The next prime is 155022572581. The reversal of 155022572552 is 255275220551.

It can be written as a sum of positive squares in 4 ways, for example, as 87513022276 + 67509550276 = 295826^2 + 259826^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370349 + ... + 668732.

Almost surely, 2^155022572552 is an apocalyptic number.

It is an amenable number.

155022572552 is a deficient number, since it is larger than the sum of its proper divisors (153023677168).

155022572552 is a wasteful number, since it uses less digits than its factorization.

155022572552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040201 (or 1040197 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 41.

The spelling of 155022572552 in words is "one hundred fifty-five billion, twenty-two million, five hundred seventy-two thousand, five hundred fifty-two".