15152533221 has 32 divisors (see below), whose sum is σ = 23670678528. Its totient is φ = 8440997760.

The previous prime is 15152533171. The next prime is 15152533229. The reversal of 15152533221 is 12233525151.

It is not a de Polignac number, because 15152533221 - 2⁶ = 15152533157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15152533229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1270930 + ... + 1282796.

It is an arithmetic number, because the mean of its divisors is an integer number (739708704).

Almost surely, 2^15152533221 is an apocalyptic number.

It is an amenable number.

15152533221 is a deficient number, since it is larger than the sum of its proper divisors (8518145307).

15152533221 is a wasteful number, since it uses less digits than its factorization.

15152533221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13401.

The product of its digits is 9000, while the sum is 30.

The spelling of 15152533221 in words is "fifteen billion, one hundred fifty-two million, five hundred thirty-three thousand, two hundred twenty-one".