11319894464 has 28 divisors (see below), whose sum is σ = 22681015344. Its totient is φ = 5604993024.

The previous prime is 11319894457. The next prime is 11319894473. The reversal of 11319894464 is 46449891311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852017 + ... + 865200.

Almost surely, 2^11319894464 is an apocalyptic number.

It is an amenable number.

11319894464 is an abundant number, since it is smaller than the sum of its proper divisors (11361120880).

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

11319894464 is a wasteful number, since it uses less digits than its factorization.

11319894464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717332 (or 1717322 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The spelling of 11319894464 in words is "eleven billion, three hundred nineteen million, eight hundred ninety-four thousand, four hundred sixty-four".