15432554532 has 24 divisors (see below), whose sum is σ = 36034638976. Its totient is φ = 5140564128.

The previous prime is 15432554519. The next prime is 15432554609. The reversal of 15432554532 is 23545523451.

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, 434803 + ... + 468954.

Almost surely, 2^15432554532 is an apocalyptic number.

15432554532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15432554532 is an abundant number, since it is smaller than the sum of its proper divisors (20602084444).

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

15432554532 is a wasteful number, since it uses less digits than its factorization.

15432554532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905187 (or 905185 counting only the distinct ones).

The product of its digits is 360000, while the sum is 39.

The spelling of 15432554532 in words is "fifteen billion, four hundred thirty-two million, five hundred fifty-four thousand, five hundred thirty-two".