15323064552 has 48 divisors (see below), whose sum is σ = 42119382240. Its totient is φ = 5031452448.

The previous prime is 15323064541. The next prime is 15323064569. The reversal of 15323064552 is 25546032351.

15323064552 is a `hidden beast` number, since 1 + 5 + 3 + 2 + 3 + 0 + 645 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1583388 + ... + 1593035.

It is an arithmetic number, because the mean of its divisors is an integer number (877487130).

Almost surely, 2^15323064552 is an apocalyptic number.

15323064552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15323064552 is an abundant number, since it is smaller than the sum of its proper divisors (26796317688).

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

15323064552 is a wasteful number, since it uses less digits than its factorization.

15323064552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176502 (or 3176495 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 15323064552 in words is "fifteen billion, three hundred twenty-three million, sixty-four thousand, five hundred fifty-two".