11887594825 has 6 divisors (see below), whose sum is σ = 14740617614. Its totient is φ = 9510075840.

The previous prime is 11887594813. The next prime is 11887594841. The reversal of 11887594825 is 52849578811.

It can be written as a sum of positive squares in 3 ways, for example, as 1993711801 + 9893883024 = 44651^2 + 99468^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11887594825 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11887594825.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237751872 + ... + 237751921.

Almost surely, 2^11887594825 is an apocalyptic number.

It is an amenable number.

11887594825 is a deficient number, since it is larger than the sum of its proper divisors (2853022789).

11887594825 is an equidigital number, since it uses as much as digits as its factorization.

11887594825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475503803 (or 475503798 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 58.

The spelling of 11887594825 in words is "eleven billion, eight hundred eighty-seven million, five hundred ninety-four thousand, eight hundred twenty-five".