11453378964 has 12 divisors (see below), whose sum is σ = 26724550944. Its totient is φ = 3817792984.

The previous prime is 11453378933. The next prime is 11453379017. The reversal of 11453378964 is 46987335411.

It is a tau number, because it is divible by the number of its divisors (12).

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, 477224112 + ... + 477224135.

It is an arithmetic number, because the mean of its divisors is an integer number (2227045912).

Almost surely, 2^11453378964 is an apocalyptic number.

It is an amenable number.

11453378964 is an abundant number, since it is smaller than the sum of its proper divisors (15271171980).

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

11453378964 is a wasteful number, since it uses less digits than its factorization.

11453378964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954448254 (or 954448252 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 11453378964 in words is "eleven billion, four hundred fifty-three million, three hundred seventy-eight thousand, nine hundred sixty-four".