11864055 has 32 divisors (see below), whose sum is σ = 21924864. Its totient is φ = 5366016.

The previous prime is 11864051. The next prime is 11864057. The reversal of 11864055 is 55046811.

11864055 = 130² + 131² + ... + 335².

It is not a de Polignac number, because 11864055 - 2² = 11864051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11864051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10267 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (685152).

Almost surely, 2^11864055 is an apocalyptic number.

11864055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11864055 is a deficient number, since it is larger than the sum of its proper divisors (10060809).

11864055 is a wasteful number, since it uses less digits than its factorization.

11864055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 11864055 is about 3444.4237544181. The cubic root of 11864055 is about 228.0750176354.

The spelling of 11864055 in words is "eleven million, eight hundred sixty-four thousand, fifty-five".