11315864 has 24 divisors (see below), whose sum is σ = 24682140. Its totient is φ = 4849488.

The previous prime is 11315813. The next prime is 11315867. The reversal of 11315864 is 46851311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14042 + ... + 14825.

Almost surely, 2^11315864 is an apocalyptic number.

11315864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11315864 is an abundant number, since it is smaller than the sum of its proper divisors (13366276).

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

11315864 is a wasteful number, since it uses less digits than its factorization.

11315864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28887 (or 28876 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 11315864 is about 3363.9060628977. The cubic root of 11315864 is about 224.5066656090.

The spelling of 11315864 in words is "eleven million, three hundred fifteen thousand, eight hundred sixty-four".