15132554540 has 24 divisors (see below), whose sum is σ = 31805322192. Its totient is φ = 6047887040.

The previous prime is 15132554537. The next prime is 15132554587. The reversal of 15132554540 is 4545523151.

It is a super-2 number, since 2×15132554540² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15132554540.

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, 296714 + ... + 343953.

It is an arithmetic number, because the mean of its divisors is an integer number (1325221758).

Almost surely, 2^15132554540 is an apocalyptic number.

15132554540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15132554540 is an abundant number, since it is smaller than the sum of its proper divisors (16672767652).

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

15132554540 is a wasteful number, since it uses less digits than its factorization.

15132554540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641857 (or 641855 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 15132554540 in words is "fifteen billion, one hundred thirty-two million, five hundred fifty-four thousand, five hundred forty".