11167231 has 4 divisors (see below), whose sum is σ = 11755000. Its totient is φ = 10579464.

The previous prime is 11167201. The next prime is 11167271. The reversal of 11167231 is 13276111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11167231 - 2⁵ = 11167199 is a prime.

It is a super-2 number, since 2×11167231² = 249414096414722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11167201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293856 + ... + 293893.

It is an arithmetic number, because the mean of its divisors is an integer number (2938750).

Almost surely, 2^11167231 is an apocalyptic number.

11167231 is a deficient number, since it is larger than the sum of its proper divisors (587769).

11167231 is an equidigital number, since it uses as much as digits as its factorization.

11167231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587768.

The product of its digits is 252, while the sum is 22.

The square root of 11167231 is about 3341.7407140591. The cubic root of 11167231 is about 223.5193709886.

The spelling of 11167231 in words is "eleven million, one hundred sixty-seven thousand, two hundred thirty-one".