11131839 has 12 divisors (see below), whose sum is σ = 16778736. Its totient is φ = 7098432.

The previous prime is 11131819. The next prime is 11131859. The reversal of 11131839 is 93813111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11131819) and next prime (11131859).

It is not a de Polignac number, because 11131839 - 2⁵ = 11131807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26682 + ... + 27095.

It is an arithmetic number, because the mean of its divisors is an integer number (1398228).

Almost surely, 2^11131839 is an apocalyptic number.

11131839 is a deficient number, since it is larger than the sum of its proper divisors (5646897).

11131839 is a wasteful number, since it uses less digits than its factorization.

11131839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53806 (or 53803 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 11131839 is about 3336.4410679645. The cubic root of 11131839 is about 223.2829898158.

The spelling of 11131839 in words is "eleven million, one hundred thirty-one thousand, eight hundred thirty-nine".