15150505056 has 48 divisors (see below), whose sum is σ = 39978344448. Its totient is φ = 5023721600.

The previous prime is 15150505001. The next prime is 15150505081. The reversal of 15150505056 is 65050505151.

It is a tau number, because it is divible by the number of its divisors (48).

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, 394800 + ... + 431471.

It is an arithmetic number, because the mean of its divisors is an integer number (832882176).

Almost surely, 2^15150505056 is an apocalyptic number.

15150505056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15150505056 is an abundant number, since it is smaller than the sum of its proper divisors (24827839392).

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

15150505056 is a wasteful number, since it uses less digits than its factorization.

15150505056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826475 (or 826467 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 15150505056 in words is "fifteen billion, one hundred fifty million, five hundred five thousand, fifty-six".