11313911 has 16 divisors (see below), whose sum is σ = 13704960. Its totient is φ = 9123840.

The previous prime is 11313901. The next prime is 11313923. The reversal of 11313911 is 11931311.

It is a cyclic number.

It is not a de Polignac number, because 11313911 - 2¹⁰ = 11312887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34016 + ... + 34346.

It is an arithmetic number, because the mean of its divisors is an integer number (856560).

Almost surely, 2^11313911 is an apocalyptic number.

11313911 is a deficient number, since it is larger than the sum of its proper divisors (2391049).

11313911 is a wasteful number, since it uses less digits than its factorization.

11313911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614.

The product of its digits is 81, while the sum is 20.

The square root of 11313911 is about 3363.6157628362. The cubic root of 11313911 is about 224.4937490302.

The spelling of 11313911 in words is "eleven million, three hundred thirteen thousand, nine hundred eleven".