11857710825 has 24 divisors (see below), whose sum is σ = 21783055200. Its totient is φ = 6324112080.

The previous prime is 11857710811. The next prime is 11857710841. The reversal of 11857710825 is 52801775811.

11857710825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11857710825 - 2¹⁷ = 11857579753 is a prime.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8782815 + ... + 8784164.

It is an arithmetic number, because the mean of its divisors is an integer number (907627300).

Almost surely, 2^11857710825 is an apocalyptic number.

11857710825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11857710825 is a deficient number, since it is larger than the sum of its proper divisors (9925344375).

11857710825 is a wasteful number, since it uses less digits than its factorization.

11857710825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566998 (or 17566987 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 45.

The spelling of 11857710825 in words is "eleven billion, eight hundred fifty-seven million, seven hundred ten thousand, eight hundred twenty-five".