11816625 has 16 divisors (see below), whose sum is σ = 19663488. Its totient is φ = 6302000.

The previous prime is 11816591. The next prime is 11816647. The reversal of 11816625 is 52661811.

11816625 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11816625 - 2¹¹ = 11814577 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11816592 and 11816601.

It is a congruent number.

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, 15381 + ... + 16130.

It is an arithmetic number, because the mean of its divisors is an integer number (1228968).

Almost surely, 2^11816625 is an apocalyptic number.

11816625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11816625 is a deficient number, since it is larger than the sum of its proper divisors (7846863).

11816625 is an equidigital number, since it uses as much as digits as its factorization.

11816625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31529 (or 31519 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 11816625 is about 3437.5318180346. The cubic root of 11816625 is about 227.7706797092.

The spelling of 11816625 in words is "eleven million, eight hundred sixteen thousand, six hundred twenty-five".