11075231 has 4 divisors (see below), whose sum is σ = 11081952. Its totient is φ = 11068512.

The previous prime is 11075227. The next prime is 11075237. The reversal of 11075231 is 13257011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11075231 - 2² = 11075227 is a prime.

It is a super-2 number, since 2×11075231² = 245321483406722, 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 (11075237) 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, 986 + ... + 4808.

It is an arithmetic number, because the mean of its divisors is an integer number (2770488).

Almost surely, 2^11075231 is an apocalyptic number.

11075231 is a deficient number, since it is larger than the sum of its proper divisors (6721).

11075231 is an equidigital number, since it uses as much as digits as its factorization.

11075231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11075231 is about 3327.9469647216. The cubic root of 11075231 is about 222.9038643981.

The spelling of 11075231 in words is "eleven million, seventy-five thousand, two hundred thirty-one".