15523445352 has 32 divisors (see below), whose sum is σ = 38884888800. Its totient is φ = 5164311744.

The previous prime is 15523445347. The next prime is 15523445369. The reversal of 15523445352 is 25354432551.

It is a self number, because there is not a number n which added to its sum of digits gives 15523445352.

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, 623158 + ... + 647589.

It is an arithmetic number, because the mean of its divisors is an integer number (1215152775).

Almost surely, 2^15523445352 is an apocalyptic number.

15523445352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15523445352 is an abundant number, since it is smaller than the sum of its proper divisors (23361443448).

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

15523445352 is a wasteful number, since it uses less digits than its factorization.

15523445352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271265 (or 1271261 counting only the distinct ones).

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

The spelling of 15523445352 in words is "fifteen billion, five hundred twenty-three million, four hundred forty-five thousand, three hundred fifty-two".