15245531799552 has 336 divisors, whose sum is σ = 45861262181280. Its totient is φ = 4874010624000.

The previous prime is 15245531799539. The next prime is 15245531799761. The reversal of 15245531799552 is 25599713554251.

15245531799552 is a `hidden beast` number, since 1 + 5 + 2 + 4 + 5 + 5 + 3 + 1 + 79 + 9 + 552 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 15245531799552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322831302 + ... + 322878522.

It is an arithmetic number, because the mean of its divisors is an integer number (136491851730).

Almost surely, 2^{15245531799552} is an apocalyptic number.

15245531799552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15245531799552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22930631090640).

15245531799552 is an abundant number, since it is smaller than the sum of its proper divisors (30615730381728).

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

15245531799552 is a wasteful number, since it uses less digits than its factorization.

15245531799552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47433 (or 47406 counting only the distinct ones).

The product of its digits is 85050000, while the sum is 63.

The spelling of 15245531799552 in words is "fifteen trillion, two hundred forty-five billion, five hundred thirty-one million, seven hundred ninety-nine thousand, five hundred fifty-two".