11137879 has 4 divisors (see below), whose sum is σ = 11304184. Its totient is φ = 10971576.

The previous prime is 11137877. The next prime is 11137883. The reversal of 11137879 is 97873111.

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 11137879 - 2¹ = 11137877 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 (11137871) 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, 83052 + ... + 83185.

It is an arithmetic number, because the mean of its divisors is an integer number (2826046).

Almost surely, 2^11137879 is an apocalyptic number.

11137879 is a deficient number, since it is larger than the sum of its proper divisors (166305).

11137879 is an equidigital number, since it uses as much as digits as its factorization.

11137879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166304.

The product of its digits is 10584, while the sum is 37.

The square root of 11137879 is about 3337.3461013206. The cubic root of 11137879 is about 223.3233660560.

The spelling of 11137879 in words is "eleven million, one hundred thirty-seven thousand, eight hundred seventy-nine".