11639125 has 8 divisors (see below), whose sum is σ = 14525784. Its totient is φ = 9311200.

The previous prime is 11639099. The next prime is 11639137. The reversal of 11639125 is 52193611.

11639125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 729316 + 10909809 = 854^2 + 3303^2 .

It is not a de Polignac number, because 11639125 - 2⁵ = 11639093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11639093 and 11639102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46432 + ... + 46681.

It is an arithmetic number, because the mean of its divisors is an integer number (1815723).

Almost surely, 2^11639125 is an apocalyptic number.

It is an amenable number.

11639125 is a deficient number, since it is larger than the sum of its proper divisors (2886659).

11639125 is an frugal number, since it uses more digits than its factorization.

11639125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93128 (or 93118 counting only the distinct ones).

The product of its digits is 1620, while the sum is 28.

The square root of 11639125 is about 3411.6161859154. The cubic root of 11639125 is about 226.6244574903.

The spelling of 11639125 in words is "eleven million, six hundred thirty-nine thousand, one hundred twenty-five".