15221055502352 has 40 divisors (see below), whose sum is σ = 33712853697600. Its totient is φ = 6521550544512.

The previous prime is 15221055502351. The next prime is 15221055502363. The reversal of 15221055502352 is 25320555012251.

It is not an unprimeable number, because it can be changed into a prime (15221055502351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17905202 + ... + 18736017.

It is an arithmetic number, because the mean of its divisors is an integer number (842821342440).

Almost surely, 2^{15221055502352} is an apocalyptic number.

It is an amenable number.

15221055502352 is an abundant number, since it is smaller than the sum of its proper divisors (18491798195248).

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

15221055502352 is a wasteful number, since it uses less digits than its factorization.

15221055502352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36644943 (or 36644937 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 15221055502352 in words is "fifteen trillion, two hundred twenty-one billion, fifty-five million, five hundred two thousand, three hundred fifty-two".