11188416979 has 4 divisors (see below), whose sum is σ = 11461305240. Its totient is φ = 10915528720.

The previous prime is 11188416973. The next prime is 11188416983. The reversal of 11188416979 is 97961488111.

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 11188416979 - 2²⁹ = 10651546067 is a prime.

It is a super-3 number, since 3×11188416979³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11188416973) 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, 136444069 + ... + 136444150.

It is an arithmetic number, because the mean of its divisors is an integer number (2865326310).

Almost surely, 2^11188416979 is an apocalyptic number.

11188416979 is a deficient number, since it is larger than the sum of its proper divisors (272888261).

11188416979 is an equidigital number, since it uses as much as digits as its factorization.

11188416979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272888260.

The product of its digits is 870912, while the sum is 55.

The spelling of 11188416979 in words is "eleven billion, one hundred eighty-eight million, four hundred sixteen thousand, nine hundred seventy-nine".