11220874064 has 30 divisors (see below), whose sum is σ = 21792300330. Its totient is φ = 5597085760.

The previous prime is 11220874033. The next prime is 11220874069. The reversal of 11220874064 is 46047802211.

It can be written as a sum of positive squares in only one way, i.e., 10835144464 + 385729600 = 104092^2 + 19640^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220874069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3855842 + ... + 3858750.

It is an arithmetic number, because the mean of its divisors is an integer number (726410011).

Almost surely, 2^11220874064 is an apocalyptic number.

It is an amenable number.

11220874064 is a deficient number, since it is larger than the sum of its proper divisors (10571426266).

11220874064 is an frugal number, since it uses more digits than its factorization.

11220874064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899 (or 3402 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 11220874064 in words is "eleven billion, two hundred twenty million, eight hundred seventy-four thousand, sixty-four".