11266881 has 4 divisors (see below), whose sum is σ = 15022512. Its totient is φ = 7511252.

The previous prime is 11266873. The next prime is 11266889. The reversal of 11266881 is 18866211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11266873) and next prime (11266889).

It is a cyclic number.

It is not a de Polignac number, because 11266881 - 2³ = 11266873 is a prime.

It is a super-2 number, since 2×11266881² = 253885214936322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11266889) 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, 1877811 + ... + 1877816.

It is an arithmetic number, because the mean of its divisors is an integer number (3755628).

Almost surely, 2^11266881 is an apocalyptic number.

It is an amenable number.

11266881 is a deficient number, since it is larger than the sum of its proper divisors (3755631).

11266881 is an equidigital number, since it uses as much as digits as its factorization.

11266881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755630.

The product of its digits is 4608, while the sum is 33.

The square root of 11266881 is about 3356.6174938470. The cubic root of 11266881 is about 224.1822562705.

The spelling of 11266881 in words is "eleven million, two hundred sixty-six thousand, eight hundred eighty-one".