15132320502 has 96 divisors (see below), whose sum is σ = 33709478400. Its totient is φ = 4524324480.

The previous prime is 15132320479. The next prime is 15132320503. The reversal of 15132320502 is 20502323151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15132320503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7099977 + ... + 7102107.

It is an arithmetic number, because the mean of its divisors is an integer number (351140400).

Almost surely, 2^15132320502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15132320502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16854739200).

15132320502 is an abundant number, since it is smaller than the sum of its proper divisors (18577157898).

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

15132320502 is a wasteful number, since it uses less digits than its factorization.

15132320502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 15132320502 its reverse (20502323151), we get a palindrome (35634643653).

The spelling of 15132320502 in words is "fifteen billion, one hundred thirty-two million, three hundred twenty thousand, five hundred two".