11840704225 has 27 divisors (see below), whose sum is σ = 17085107097. Its totient is φ = 8116728480.

The previous prime is 11840704181. The next prime is 11840704237. The reversal of 11840704225 is 52240704811.

The square root of 11840704225 is 108815.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2649263841 + 9191440384 = 51471^2 + 95872^2 .

It is not a de Polignac number, because 11840704225 - 2²³ = 11832315617 is a prime.

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, 3806971 + ... + 3810079.

Almost surely, 2^11840704225 is an apocalyptic number.

11840704225 is the 108815-th square number.

11840704225 is the 54408-th centered octagonal number.

It is an amenable number.

11840704225 is a deficient number, since it is larger than the sum of its proper divisors (5244402872).

11840704225 is an frugal number, since it uses more digits than its factorization.

11840704225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 11840704225 in words is "eleven billion, eight hundred forty million, seven hundred four thousand, two hundred twenty-five".