11975094855025 has 27 divisors (see below), whose sum is σ = 14912658670531. Its totient is φ = 9539255767040.

The previous prime is 11975094854981. The next prime is 11975094855037. The reversal of 11975094855025 is 52055849057911.

It is a happy number.

The square root of 11975094855025 is 3460505.

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 1461833337969 + 10513261517056 = 1209063^2 + 3242416^2 .

It is not a de Polignac number, because 11975094855025 - 2¹³ = 11975094846833 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, 4446747579 + ... + 4446750271.

Almost surely, 2^{11975094855025} is an apocalyptic number.

11975094855025 is the 3460505-th square number.

11975094855025 is the 1730253-rd centered octagonal number.

It is an amenable number.

11975094855025 is a deficient number, since it is larger than the sum of its proper divisors (2937563815506).

11975094855025 is an frugal number, since it uses more digits than its factorization.

11975094855025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910 (or 2955 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 61.

The spelling of 11975094855025 in words is "eleven trillion, nine hundred seventy-five billion, ninety-four million, eight hundred fifty-five thousand, twenty-five".