13112225516 has 48 divisors (see below), whose sum is σ = 24918028800. Its totient is φ = 6001439040.

The previous prime is 13112225509. The next prime is 13112225521. The reversal of 13112225516 is 61552221131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3196835 + ... + 3200933.

It is an arithmetic number, because the mean of its divisors is an integer number (519125600).

Almost surely, 2^13112225516 is an apocalyptic number.

It is an amenable number.

13112225516 is a deficient number, since it is larger than the sum of its proper divisors (11805803284).

13112225516 is a wasteful number, since it uses less digits than its factorization.

13112225516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614 (or 4612 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

Adding to 13112225516 its reverse (61552221131), we get a palindrome (74664446647).

The spelling of 13112225516 in words is "thirteen billion, one hundred twelve million, two hundred twenty-five thousand, five hundred sixteen".