15113204500 has 24 divisors (see below), whose sum is σ = 33007239720. Its totient is φ = 6045281600.

The previous prime is 15113204489. The next prime is 15113204501. The reversal of 15113204500 is 540231151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 556299396 + 14556905104 = 23586^2 + 120652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15113204501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15112705 + ... + 15113704.

It is an arithmetic number, because the mean of its divisors is an integer number (1375301655).

Almost surely, 2^15113204500 is an apocalyptic number.

15113204500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15113204500 is an abundant number, since it is smaller than the sum of its proper divisors (17894035220).

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

15113204500 is a wasteful number, since it uses less digits than its factorization.

15113204500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30226428 (or 30226416 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 15113204500 its reverse (540231151), we get a palindrome (15653435651).

The spelling of 15113204500 in words is "fifteen billion, one hundred thirteen million, two hundred four thousand, five hundred".