11174868864 has 80 divisors (see below), whose sum is σ = 33256259520. Its totient is φ = 3724952832.

The previous prime is 11174868847. The next prime is 11174868869. The reversal of 11174868864 is 46886847111.

11174868864 is a `hidden beast` number, since 11 + 17 + 486 + 88 + 64 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 11174868864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11174868869) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 528544 + ... + 549279.

It is an arithmetic number, because the mean of its divisors is an integer number (415703244).

Almost surely, 2^11174868864 is an apocalyptic number.

It is an amenable number.

11174868864 is an abundant number, since it is smaller than the sum of its proper divisors (22081390656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11174868864 is an equidigital number, since it uses as much as digits as its factorization.

11174868864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077849 (or 1077828 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The spelling of 11174868864 in words is "eleven billion, one hundred seventy-four million, eight hundred sixty-eight thousand, eight hundred sixty-four".