11864115 has 12 divisors (see below), whose sum is σ = 20564544. Its totient is φ = 6327504.

The previous prime is 11864107. The next prime is 11864131. The reversal of 11864115 is 51146811.

11864115 is a `hidden beast` number, since 1 + 1 + 8 + 641 + 15 = 666.

It is not a de Polignac number, because 11864115 - 2³ = 11864107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131779 + ... + 131868.

It is an arithmetic number, because the mean of its divisors is an integer number (1713712).

Almost surely, 2^11864115 is an apocalyptic number.

11864115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11864115 is a deficient number, since it is larger than the sum of its proper divisors (8700429).

11864115 is a wasteful number, since it uses less digits than its factorization.

11864115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263658 (or 263655 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 11864115 is about 3444.4324641369. The cubic root of 11864115 is about 228.0754021154.

The spelling of 11864115 in words is "eleven million, eight hundred sixty-four thousand, one hundred fifteen".