11274311 has 4 divisors (see below), whose sum is σ = 11296392. Its totient is φ = 11252232.

The previous prime is 11274293. The next prime is 11274317. The reversal of 11274311 is 11347211.

It is a happy number.

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 11274311 - 2¹⁰ = 11273287 is a prime.

It is a super-2 number, since 2×11274311² = 254220177049442, 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 (11274317) 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, 10256 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (2824098).

Almost surely, 2^11274311 is an apocalyptic number.

11274311 is a deficient number, since it is larger than the sum of its proper divisors (22081).

11274311 is an equidigital number, since it uses as much as digits as its factorization.

11274311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22080.

The product of its digits is 168, while the sum is 20.

The square root of 11274311 is about 3357.7240803854. The cubic root of 11274311 is about 224.2315248052.

Subtracting 11274311 from its reverse (11347211), we obtain a square (72900 = 270²).

The spelling of 11274311 in words is "eleven million, two hundred seventy-four thousand, three hundred eleven".