11500864 has 28 divisors (see below), whose sum is σ = 23152608. Its totient is φ = 5667200.

The previous prime is 11500861. The next prime is 11500873. The reversal of 11500864 is 46800511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11500861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3279 + ... + 5809.

Almost surely, 2^11500864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11500864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11576304).

11500864 is an abundant number, since it is smaller than the sum of its proper divisors (11651744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11500864 is an equidigital number, since it uses as much as digits as its factorization.

11500864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 11500864 is about 3391.2923790201. The cubic root of 11500864 is about 225.7235243928.

The spelling of 11500864 in words is "eleven million, five hundred thousand, eight hundred sixty-four".