11079868381 has 4 divisors (see below), whose sum is σ = 11084819200. Its totient is φ = 11074917564.

The previous prime is 11079868369. The next prime is 11079868403. The reversal of 11079868381 is 18386897011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11079868381 - 2⁷ = 11079868253 is a prime.

It is a super-2 number, since 2×11079868381² (a number of 21 digits) 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 (11079868301) 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, 2472051 + ... + 2476528.

It is an arithmetic number, because the mean of its divisors is an integer number (2771204800).

Almost surely, 2^11079868381 is an apocalyptic number.

It is an amenable number.

11079868381 is a deficient number, since it is larger than the sum of its proper divisors (4950819).

11079868381 is an equidigital number, since it uses as much as digits as its factorization.

11079868381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950818.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 11079868381 in words is "eleven billion, seventy-nine million, eight hundred sixty-eight thousand, three hundred eighty-one".