15214421552 has 40 divisors (see below), whose sum is σ = 33195113472. Its totient is φ = 6692558400.

The previous prime is 15214421533. The next prime is 15214421591. The reversal of 15214421552 is 25512441251.

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, 1388828 + ... + 1399739.

Almost surely, 2^15214421552 is an apocalyptic number.

It is an amenable number.

15214421552 is an abundant number, since it is smaller than the sum of its proper divisors (17980691920).

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

15214421552 is a wasteful number, since it uses less digits than its factorization.

15214421552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788617 (or 2788611 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

The spelling of 15214421552 in words is "fifteen billion, two hundred fourteen million, four hundred twenty-one thousand, five hundred fifty-two".