11438855 has 12 divisors (see below), whose sum is σ = 14490840. Its totient is φ = 8644464.

The previous prime is 11438849. The next prime is 11438857. The reversal of 11438855 is 55883411.

11438855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11438855 - 2⁴ = 11438839 is a prime.

It is a super-2 number, since 2×11438855² = 261694807422050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11438857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32792 + ... + 33138.

It is an arithmetic number, because the mean of its divisors is an integer number (1207570).

Almost surely, 2^11438855 is an apocalyptic number.

11438855 is a deficient number, since it is larger than the sum of its proper divisors (3051985).

11438855 is an frugal number, since it uses more digits than its factorization.

11438855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 371 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 11438855 is about 3382.1376376487. The cubic root of 11438855 is about 225.3171166296.

The spelling of 11438855 in words is "eleven million, four hundred thirty-eight thousand, eight hundred fifty-five".