155365821088 has 12 divisors (see below), whose sum is σ = 305876460330. Its totient is φ = 77682910528.

The previous prime is 155365821041. The next prime is 155365821119. The reversal of 155365821088 is 880128563551.

It can be written as a sum of positive squares in only one way, i.e., 112957832464 + 42407988624 = 336092^2 + 205932^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2427590923 + ... + 2427590986.

Almost surely, 2^155365821088 is an apocalyptic number.

It is an amenable number.

155365821088 is a deficient number, since it is larger than the sum of its proper divisors (150510639242).

155365821088 is an equidigital number, since it uses as much as digits as its factorization.

155365821088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855181919 (or 4855181911 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 52.

The spelling of 155365821088 in words is "one hundred fifty-five billion, three hundred sixty-five million, eight hundred twenty-one thousand, eighty-eight".