155364763072 has 56 divisors (see below), whose sum is σ = 315315148896. Its totient is φ = 75926443008.

The previous prime is 155364763049. The next prime is 155364763093. The reversal of 155364763072 is 270367463551.

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, 805018 + ... + 979174.

Almost surely, 2^155364763072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155364763072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157657574448).

155364763072 is an abundant number, since it is smaller than the sum of its proper divisors (159950385824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155364763072 is a wasteful number, since it uses less digits than its factorization.

155364763072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174485 (or 174475 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 155364763072 in words is "one hundred fifty-five billion, three hundred sixty-four million, seven hundred sixty-three thousand, seventy-two".