11130866879 has 4 divisors (see below), whose sum is σ = 12142763880. Its totient is φ = 10118969880.

The previous prime is 11130866869. The next prime is 11130866891. The reversal of 11130866879 is 97866803111.

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 11130866879 - 2⁴ = 11130866863 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 (11130866809) 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, 505948484 + ... + 505948505.

It is an arithmetic number, because the mean of its divisors is an integer number (3035690970).

Almost surely, 2^11130866879 is an apocalyptic number.

11130866879 is a deficient number, since it is larger than the sum of its proper divisors (1011897001).

11130866879 is a wasteful number, since it uses less digits than its factorization.

11130866879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011897000.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 11130866879 in words is "eleven billion, one hundred thirty million, eight hundred sixty-six thousand, eight hundred seventy-nine".