11786209941025 has 27 divisors (see below), whose sum is σ = 15825901765611. Its totient is φ = 8703497936640.

The previous prime is 11786209941007. The next prime is 11786209941097. The reversal of 11786209941025 is 52014990268711.

The square root of 11786209941025 is 3433105.

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

It can be written as a sum of positive squares in 13 ways, for example, as 8936649872929 + 2849560068096 = 2989423^2 + 1688064^2 .

It is not a de Polignac number, because 11786209941025 - 2⁵ = 11786209940993 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, 223125417 + ... + 223178233.

Almost surely, 2^{11786209941025} is an apocalyptic number.

11786209941025 is the 3433105-th square number.

11786209941025 is the 1716553-rd centered octagonal number.

It is an amenable number.

11786209941025 is a deficient number, since it is larger than the sum of its proper divisors (4039691824586).

11786209941025 is an frugal number, since it uses more digits than its factorization.

11786209941025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105670 (or 52835 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 11786209941025 in words is "eleven trillion, seven hundred eighty-six billion, two hundred nine million, nine hundred forty-one thousand, twenty-five".