11216504464 has 135 divisors (see below), whose sum is σ = 25040970409. Its totient is φ = 4863295360.

The previous prime is 11216504407. The next prime is 11216504473. The reversal of 11216504464 is 46440561211.

The square root of 11216504464 is 105908.

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., 5881662864 + 5334841600 = 76692^2 + 73040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 135138567 + ... + 135138649.

Almost surely, 2^11216504464 is an apocalyptic number.

11216504464 is the 105908-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11216504464

11216504464 is an abundant number, since it is smaller than the sum of its proper divisors (13824465945).

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

11216504464 is an equidigital number, since it uses as much as digits as its factorization.

11216504464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 11216504464 in words is "eleven billion, two hundred sixteen million, five hundred four thousand, four hundred sixty-four".