11453615664 has 80 divisors (see below), whose sum is σ = 29949770592. Its totient is φ = 3771408384.

The previous prime is 11453615653. The next prime is 11453615669. The reversal of 11453615664 is 46651635411.

It is not an unprimeable number, because it can be changed into a prime (11453615669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2852122 + ... + 2856134.

Almost surely, 2^11453615664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11453615664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14974885296).

11453615664 is an abundant number, since it is smaller than the sum of its proper divisors (18496154928).

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

11453615664 is a wasteful number, since it uses less digits than its factorization.

11453615664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734 (or 4728 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 11453615664 in words is "eleven billion, four hundred fifty-three million, six hundred fifteen thousand, six hundred sixty-four".