15632242148421 has 16 divisors (see below), whose sum is σ = 24377765534400. Its totient is φ = 9872995040784.

The previous prime is 15632242148407. The next prime is 15632242148429. The reversal of 15632242148421 is 12484124223651.

15632242148421 is a `hidden beast` number, since 1 + 5 + 6 + 3 + 2 + 2 + 4 + 214 + 8 + 421 = 666.

15632242148421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15632242148421 - 2¹⁷ = 15632242017349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15632242148429) 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, 15236102946 + ... + 15236103971.

It is an arithmetic number, because the mean of its divisors is an integer number (1523610345900).

Almost surely, 2^{15632242148421} is an apocalyptic number.

It is an amenable number.

15632242148421 is a deficient number, since it is larger than the sum of its proper divisors (8745523385979).

15632242148421 is a wasteful number, since it uses less digits than its factorization.

15632242148421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30472206945 (or 30472206939 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 15632242148421 in words is "fifteen trillion, six hundred thirty-two billion, two hundred forty-two million, one hundred forty-eight thousand, four hundred twenty-one".