15231113000 has 32 divisors (see below), whose sum is σ = 35640806760. Its totient is φ = 6092444800.

The previous prime is 15231112979. The next prime is 15231113003. The reversal of 15231113000 is 31113251.

15231113000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5094247876 + 10136865124 = 71374^2 + 100682^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15231113000.

It is not an unprimeable number, because it can be changed into a prime (15231113003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7614557 + ... + 7616556.

Almost surely, 2^15231113000 is an apocalyptic number.

15231113000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15231113000 is an abundant number, since it is smaller than the sum of its proper divisors (20409693760).

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

15231113000 is a wasteful number, since it uses less digits than its factorization.

15231113000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15231134 (or 15231120 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 15231113000 its reverse (31113251), we get a palindrome (15262226251).

The spelling of 15231113000 in words is "fifteen billion, two hundred thirty-one million, one hundred thirteen thousand".