11332438664 has 8 divisors (see below), whose sum is σ = 21248322510. Its totient is φ = 5666219328.

The previous prime is 11332438639. The next prime is 11332438669. The reversal of 11332438664 is 46683423311.

It can be written as a sum of positive squares in only one way, i.e., 10859724100 + 472714564 = 104210^2 + 21742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11332438669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708277409 + ... + 708277424.

Almost surely, 2^11332438664 is an apocalyptic number.

It is an amenable number.

11332438664 is a deficient number, since it is larger than the sum of its proper divisors (9915883846).

11332438664 is a wasteful number, since it uses less digits than its factorization.

11332438664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416554839 (or 1416554835 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The spelling of 11332438664 in words is "eleven billion, three hundred thirty-two million, four hundred thirty-eight thousand, six hundred sixty-four".