11279719456 has 12 divisors (see below), whose sum is σ = 22206947742. Its totient is φ = 5639859712.

The previous prime is 11279719349. The next prime is 11279719483. The reversal of 11279719456 is 65491797211.

It can be written as a sum of positive squares in only one way, i.e., 6806250000 + 4473469456 = 82500^2 + 66884^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176245585 + ... + 176245648.

Almost surely, 2^11279719456 is an apocalyptic number.

11279719456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11279719456 is a deficient number, since it is larger than the sum of its proper divisors (10927228286).

11279719456 is an equidigital number, since it uses as much as digits as its factorization.

11279719456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352491243 (or 352491235 counting only the distinct ones).

The product of its digits is 952560, while the sum is 52.

The spelling of 11279719456 in words is "eleven billion, two hundred seventy-nine million, seven hundred nineteen thousand, four hundred fifty-six".