11500625 has 10 divisors (see below), whose sum is σ = 14371962. Its totient is φ = 9200000.

The previous prime is 11500607. The next prime is 11500627. The reversal of 11500625 is 52600511.

11500625 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 5 ways, for example, as 4787344 + 6713281 = 2188^2 + 2591^2 .

It is not a de Polignac number, because 11500625 - 2⁶ = 11500561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11500597 and 11500606.

It is not an unprimeable number, because it can be changed into a prime (11500627) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8576 + ... + 9825.

Almost surely, 2^11500625 is an apocalyptic number.

It is an amenable number.

11500625 is a deficient number, since it is larger than the sum of its proper divisors (2871337).

11500625 is an frugal number, since it uses more digits than its factorization.

11500625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18421 (or 18406 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11500625 is about 3391.2571415332. The cubic root of 11500625 is about 225.7219607915.

The spelling of 11500625 in words is "eleven million, five hundred thousand, six hundred twenty-five".