11311869 has 8 divisors (see below), whose sum is σ = 15569152. Its totient is φ = 7297920.

The previous prime is 11311841. The next prime is 11311877. The reversal of 11311869 is 96811311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11311869 - 2¹⁵ = 11279101 is a prime.

It is a super-2 number, since 2×11311869² = 255916760546322, 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 (11311879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60724 + ... + 60909.

It is an arithmetic number, because the mean of its divisors is an integer number (1946144).

Almost surely, 2^11311869 is an apocalyptic number.

It is an amenable number.

11311869 is a deficient number, since it is larger than the sum of its proper divisors (4257283).

11311869 is a wasteful number, since it uses less digits than its factorization.

11311869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121667.

The product of its digits is 1296, while the sum is 30.

The square root of 11311869 is about 3363.3122067391. The cubic root of 11311869 is about 224.4802422415.

The spelling of 11311869 in words is "eleven million, three hundred eleven thousand, eight hundred sixty-nine".