15299878152 has 64 divisors (see below), whose sum is σ = 41256190080. Its totient is φ = 4700316672.

The previous prime is 15299878151. The next prime is 15299878189. The reversal of 15299878152 is 25187899251.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15299878092 and 15299878101.

It is not an unprimeable number, because it can be changed into a prime (15299878151) 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, 163968 + ... + 239760.

It is an arithmetic number, because the mean of its divisors is an integer number (644627970).

Almost surely, 2^15299878152 is an apocalyptic number.

15299878152 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 15299878152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20628095040).

15299878152 is an abundant number, since it is smaller than the sum of its proper divisors (25956311928).

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

15299878152 is a wasteful number, since it uses less digits than its factorization.

15299878152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76462 (or 76458 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 57.

The spelling of 15299878152 in words is "fifteen billion, two hundred ninety-nine million, eight hundred seventy-eight thousand, one hundred fifty-two".