15421615672332 has 48 divisors (see below), whose sum is σ = 36397987325280. Its totient is φ = 5081396086272.

The previous prime is 15421615672237. The next prime is 15421615672339. The reversal of 15421615672332 is 23327651612451.

It is not an unprimeable number, because it can be changed into a prime (15421615672339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1963518 + ... + 5890554.

It is an arithmetic number, because the mean of its divisors is an integer number (758291402610).

Almost surely, 2^{15421615672332} is an apocalyptic number.

15421615672332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 3927036×3927037.

It is an amenable number.

15421615672332 is an abundant number, since it is smaller than the sum of its proper divisors (20976371652948).

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

15421615672332 is a wasteful number, since it uses less digits than its factorization.

15421615672332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930810 (or 3930808 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The spelling of 15421615672332 in words is "fifteen trillion, four hundred twenty-one billion, six hundred fifteen million, six hundred seventy-two thousand, three hundred thirty-two".