11256968025 has 18 divisors (see below), whose sum is σ = 20162480910. Its totient is φ = 6003716160.

The previous prime is 11256968017. The next prime is 11256968027. The reversal of 11256968025 is 52086965211.

11256968025 is a `hidden beast` number, since 1 + 1 + 2 + 569 + 6 + 80 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2222085321 + 9034882704 = 47139^2 + 95052^2 .

It is not a de Polignac number, because 11256968025 - 2³ = 11256968017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11256968027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25015260 + ... + 25015709.

Almost surely, 2^11256968025 is an apocalyptic number.

11256968025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11256968025 is a deficient number, since it is larger than the sum of its proper divisors (8905512885).

11256968025 is a wasteful number, since it uses less digits than its factorization.

11256968025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50030985 (or 50030977 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 11256968025 in words is "eleven billion, two hundred fifty-six million, nine hundred sixty-eight thousand, twenty-five".