15519198252 has 48 divisors (see below), whose sum is σ = 38473626240. Its totient is φ = 4854989952.

The previous prime is 15519198223. The next prime is 15519198259. The reversal of 15519198252 is 25289191551.

It is not an unprimeable number, because it can be changed into a prime (15519198259) 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, 293673 + ... + 342464.

It is an arithmetic number, because the mean of its divisors is an integer number (801533880).

Almost surely, 2^15519198252 is an apocalyptic number.

15519198252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15519198252 is an abundant number, since it is smaller than the sum of its proper divisors (22954427988).

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

15519198252 is a wasteful number, since it uses less digits than its factorization.

15519198252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636270 (or 636268 counting only the distinct ones).

The product of its digits is 324000, while the sum is 48.

The spelling of 15519198252 in words is "fifteen billion, five hundred nineteen million, one hundred ninety-eight thousand, two hundred fifty-two".