11199720562 has 4 divisors (see below), whose sum is σ = 16799580846. Its totient is φ = 5599860280.

The previous prime is 11199720541. The next prime is 11199720577. The reversal of 11199720562 is 26502799111.

11199720562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26502799111 = 17 ⋅1558988183.

It can be written as a sum of positive squares in only one way, i.e., 6923737681 + 4275982881 = 83209^2 + 65391^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2799930139 + ... + 2799930142.

Almost surely, 2^11199720562 is an apocalyptic number.

11199720562 is a deficient number, since it is larger than the sum of its proper divisors (5599860284).

11199720562 is an equidigital number, since it uses as much as digits as its factorization.

11199720562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599860283.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 11199720562 in words is "eleven billion, one hundred ninety-nine million, seven hundred twenty thousand, five hundred sixty-two".