11132779 has 4 divisors (see below), whose sum is σ = 12723184. Its totient is φ = 9542376.

The previous prime is 11132753. The next prime is 11132783. The reversal of 11132779 is 97723111.

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 11132779 - 2⁵ = 11132747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11132779.

It is not an unprimeable number, because it can be changed into a prime (11132789) 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, 795192 + ... + 795205.

It is an arithmetic number, because the mean of its divisors is an integer number (3180796).

Almost surely, 2^11132779 is an apocalyptic number.

11132779 is a deficient number, since it is larger than the sum of its proper divisors (1590405).

11132779 is an equidigital number, since it uses as much as digits as its factorization.

11132779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590404.

The product of its digits is 2646, while the sum is 31.

The square root of 11132779 is about 3336.5819336561. The cubic root of 11132779 is about 223.2892744948.

It can be divided in two parts, 11132 and 779, that added together give a palindrome (11911).

The spelling of 11132779 in words is "eleven million, one hundred thirty-two thousand, seven hundred seventy-nine".