11386644625 has 16 divisors (see below), whose sum is σ = 15046448976. Its totient is φ = 8573472000.

The previous prime is 11386644623. The next prime is 11386644629. The reversal of 11386644625 is 52644668311.

It can be written as a sum of positive squares in 8 ways, for example, as 3901626369 + 7485018256 = 62463^2 + 86516^2 .

It is not a de Polignac number, because 11386644625 - 2¹ = 11386644623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11386644623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2677086 + ... + 2681335.

It is an arithmetic number, because the mean of its divisors is an integer number (940403061).

Almost surely, 2^11386644625 is an apocalyptic number.

It is an amenable number.

11386644625 is a deficient number, since it is larger than the sum of its proper divisors (3659804351).

11386644625 is an equidigital number, since it uses as much as digits as its factorization.

11386644625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358453 (or 5358443 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The spelling of 11386644625 in words is "eleven billion, three hundred eighty-six million, six hundred forty-four thousand, six hundred twenty-five".