11222288888945 has 16 divisors (see below), whose sum is σ = 13801415720400. Its totient is φ = 8754915609600.

The previous prime is 11222288888933. The next prime is 11222288888971. The reversal of 11222288888945 is 54988888222211.

It can be written as a sum of positive squares in 8 ways, for example, as 1461207110416 + 9761081778529 = 1208804^2 + 3124273^2 .

It is not a de Polignac number, because 11222288888945 - 2⁸ = 11222288888689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11868620 + ... + 12779229.

It is an arithmetic number, because the mean of its divisors is an integer number (862588482525).

Almost surely, 2^{11222288888945} is an apocalyptic number.

It is an amenable number.

11222288888945 is a deficient number, since it is larger than the sum of its proper divisors (2579126831455).

11222288888945 is a wasteful number, since it uses less digits than its factorization.

11222288888945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24650116.

The product of its digits is 94371840, while the sum is 68.

The spelling of 11222288888945 in words is "eleven trillion, two hundred twenty-two billion, two hundred eighty-eight million, eight hundred eighty-eight thousand, nine hundred forty-five".