13335752794225 has 9 divisors (see below), whose sum is σ = 16536356106123. Its totient is φ = 10668587628120.

The previous prime is 13335752794187. The next prime is 13335752794249. The reversal of 13335752794225 is 52249725753331.

It is a happy number.

The square root of 13335752794225 is 3651815.

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., 4800871005921 + 8534881788304 = 2191089^2 + 2921452^2 .

It is not a de Polignac number, because 13335752794225 - 2²⁹ = 13335215923313 is a prime.

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 13335752794225.

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, 17893894 + ... + 18624256.

Almost surely, 2^{13335752794225} is an apocalyptic number.

13335752794225 is the 3651815-th square number.

13335752794225 is the 1825908-th centered octagonal number.

It is an amenable number.

13335752794225 is a deficient number, since it is larger than the sum of its proper divisors (3200603311898).

13335752794225 is an frugal number, since it uses more digits than its factorization.

13335752794225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460736 (or 730368 counting only the distinct ones).

The product of its digits is 47628000, while the sum is 58.

The spelling of 13335752794225 in words is "thirteen trillion, three hundred thirty-five billion, seven hundred fifty-two million, seven hundred ninety-four thousand, two hundred twenty-five".