15020113412 has 12 divisors (see below), whose sum is σ = 26430421836. Its totient is φ = 7468564320.

The previous prime is 15020113393. The next prime is 15020113421. The reversal of 15020113412 is 21431102051.

It can be written as a sum of positive squares in 2 ways, for example, as 6130263616 + 8889849796 = 78296^2 + 94286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10372283 + ... + 10373730.

It is an arithmetic number, because the mean of its divisors is an integer number (2202535153).

Almost surely, 2^15020113412 is an apocalyptic number.

It is an amenable number.

15020113412 is a deficient number, since it is larger than the sum of its proper divisors (11410308424).

15020113412 is a wasteful number, since it uses less digits than its factorization.

15020113412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20746198 (or 20746196 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 15020113412 its reverse (21431102051), we get a palindrome (36451215463).

The spelling of 15020113412 in words is "fifteen billion, twenty million, one hundred thirteen thousand, four hundred twelve".