15532145530 has 32 divisors (see below), whose sum is σ = 30575631168. Its totient is φ = 5633952000.

The previous prime is 15532145513. The next prime is 15532145533. The reversal of 15532145530 is 3554123551.

It is not an unprimeable number, because it can be changed into a prime (15532145533) 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, 131952 + ... + 220171.

It is an arithmetic number, because the mean of its divisors is an integer number (955488474).

Almost surely, 2^15532145530 is an apocalyptic number.

15532145530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15532145530 is a deficient number, since it is larger than the sum of its proper divisors (15043485638).

15532145530 is a wasteful number, since it uses less digits than its factorization.

15532145530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352542.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 15532145530 in words is "fifteen billion, five hundred thirty-two million, one hundred forty-five thousand, five hundred thirty".