11591625 has 16 divisors (see below), whose sum is σ = 19289088. Its totient is φ = 6182000.

The previous prime is 11591617. The next prime is 11591633. The reversal of 11591625 is 52619511.

11591625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11591617) and next prime (11591633).

It is not a de Polignac number, because 11591625 - 2³ = 11591617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11591592 and 11591601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15081 + ... + 15830.

It is an arithmetic number, because the mean of its divisors is an integer number (1205568).

Almost surely, 2^11591625 is an apocalyptic number.

11591625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11591625 is a deficient number, since it is larger than the sum of its proper divisors (7697463).

11591625 is an equidigital number, since it uses as much as digits as its factorization.

11591625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30929 (or 30919 counting only the distinct ones).

The product of its digits is 2700, while the sum is 30.

The square root of 11591625 is about 3404.6475588525. The cubic root of 11591625 is about 226.3157476066.

The spelling of 11591625 in words is "eleven million, five hundred ninety-one thousand, six hundred twenty-five".