11220564602 has 16 divisors (see below), whose sum is σ = 18422669832. Its totient is φ = 5093824320.

The previous prime is 11220564581. The next prime is 11220564661. The reversal of 11220564602 is 20646502211.

It can be written as a sum of positive squares in 4 ways, for example, as 7649426521 + 3571138081 = 87461^2 + 59759^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535793 + ... + 3538964.

Almost surely, 2^11220564602 is an apocalyptic number.

11220564602 is a deficient number, since it is larger than the sum of its proper divisors (7202105230).

11220564602 is a wasteful number, since it uses less digits than its factorization.

11220564602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074833.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 11220564602 in words is "eleven billion, two hundred twenty million, five hundred sixty-four thousand, six hundred two".