11714815225 has 9 divisors (see below), whose sum is σ = 14527041967. Its totient is φ = 9371419240.

The previous prime is 11714815207. The next prime is 11714815247. The reversal of 11714815225 is 52251841711.

The square root of 11714815225 is 108235.

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., 4217333481 + 7497481744 = 64941^2 + 86588^2 .

It is not a de Polignac number, because 11714815225 - 2⁷ = 11714815097 is a prime.

It is a Duffinian number.

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, 530352 + ... + 551998.

Almost surely, 2^11714815225 is an apocalyptic number.

11714815225 is the 108235-th square number.

11714815225 is the 54118-th centered octagonal number.

It is an amenable number.

11714815225 is a deficient number, since it is larger than the sum of its proper divisors (2812226742).

11714815225 is an frugal number, since it uses more digits than its factorization.

11714815225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43304 (or 21652 counting only the distinct ones).

The product of its digits is 22400, while the sum is 37.

The spelling of 11714815225 in words is "eleven billion, seven hundred fourteen million, eight hundred fifteen thousand, two hundred twenty-five".