11990664484 has 6 divisors (see below), whose sum is σ = 20983662854. Its totient is φ = 5995332240.

The previous prime is 11990664479. The next prime is 11990664493. The reversal of 11990664484 is 48446609911.

It can be written as a sum of positive squares in only one way, i.e., 6419534884 + 5571129600 = 80122^2 + 74640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498833057 + ... + 1498833064.

Almost surely, 2^11990664484 is an apocalyptic number.

It is an amenable number.

11990664484 is a deficient number, since it is larger than the sum of its proper divisors (8992998370).

11990664484 is a wasteful number, since it uses less digits than its factorization.

11990664484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997666125 (or 2997666123 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 11990664484 in words is "eleven billion, nine hundred ninety million, six hundred sixty-four thousand, four hundred eighty-four".