11513719204 has 27 divisors (see below), whose sum is σ = 21823445217. Its totient is φ = 5312736624.

The previous prime is 11513719169. The next prime is 11513719219. The reversal of 11513719204 is 40291731511.

It is a happy number.

The square root of 11513719204 is 107302.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1703212900 + 9810506304 = 41270^2 + 99048^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11513719204.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2787789 + ... + 2791915.

Almost surely, 2^11513719204 is an apocalyptic number.

11513719204 is the 107302-nd square number.

It is an amenable number.

11513719204 is a deficient number, since it is larger than the sum of its proper divisors (10309726013).

11513719204 is an frugal number, since it uses more digits than its factorization.

11513719204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 11513719204 in words is "eleven billion, five hundred thirteen million, seven hundred nineteen thousand, two hundred four".