11045558864 has 10 divisors (see below), whose sum is σ = 21400770330. Its totient is φ = 5522779424.

The previous prime is 11045558851. The next prime is 11045558873. The reversal of 11045558864 is 46885554011.

It can be written as a sum of positive squares in only one way, i.e., 7869109264 + 3176449600 = 88708^2 + 56360^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345173699 + ... + 345173730.

It is an arithmetic number, because the mean of its divisors is an integer number (2140077033).

Almost surely, 2^11045558864 is an apocalyptic number.

It is an amenable number.

11045558864 is a deficient number, since it is larger than the sum of its proper divisors (10355211466).

11045558864 is an equidigital number, since it uses as much as digits as its factorization.

11045558864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690347437 (or 690347431 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 11045558864 in words is "eleven billion, forty-five million, five hundred fifty-eight thousand, eight hundred sixty-four".