15432254312 has 32 divisors (see below), whose sum is σ = 29356725000. Its totient is φ = 7603974144.

The previous prime is 15432254303. The next prime is 15432254333. The reversal of 15432254312 is 21345223451.

It can be written as a sum of positive squares in 4 ways, for example, as 8808573316 + 6623680996 = 93854^2 + 81386^2 .

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, 718838 + ... + 739994.

Almost surely, 2^15432254312 is an apocalyptic number.

It is an amenable number.

15432254312 is a deficient number, since it is larger than the sum of its proper divisors (13924470688).

15432254312 is a wasteful number, since it uses less digits than its factorization.

15432254312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22485 (or 22481 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 15432254312 its reverse (21345223451), we get a palindrome (36777477763).

The spelling of 15432254312 in words is "fifteen billion, four hundred thirty-two million, two hundred fifty-four thousand, three hundred twelve".