11109222664 has 16 divisors (see below), whose sum is σ = 20830964220. Its totient is φ = 5554298880.

The previous prime is 11109222659. The next prime is 11109222667. The reversal of 11109222664 is 46622290111.

It can be written as a sum of positive squares in 2 ways, for example, as 10114324900 + 994897764 = 100570^2 + 31542^2 .

It is not an unprimeable number, because it can be changed into a prime (11109222667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193512 + ... + 244264.

Almost surely, 2^11109222664 is an apocalyptic number.

It is an amenable number.

11109222664 is a deficient number, since it is larger than the sum of its proper divisors (9721741556).

11109222664 is a wasteful number, since it uses less digits than its factorization.

11109222664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78120 (or 78116 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 11109222664 in words is "eleven billion, one hundred nine million, two hundred twenty-two thousand, six hundred sixty-four".