15221055502364 has 6 divisors (see below), whose sum is σ = 26636847129144. Its totient is φ = 7610527751180.

The previous prime is 15221055502363. The next prime is 15221055502417. The reversal of 15221055502364 is 46320555012251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15221055502363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902631937792 + ... + 1902631937799.

It is an arithmetic number, because the mean of its divisors is an integer number (4439474521524).

Almost surely, 2^{15221055502364} is an apocalyptic number.

It is an amenable number.

15221055502364 is a deficient number, since it is larger than the sum of its proper divisors (11415791626780).

15221055502364 is a wasteful number, since it uses less digits than its factorization.

15221055502364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805263875595 (or 3805263875593 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 15221055502364 in words is "fifteen trillion, two hundred twenty-one billion, fifty-five million, five hundred two thousand, three hundred sixty-four".