11504489666 has 16 divisors (see below), whose sum is σ = 17340649440. Its totient is φ = 5724341280.

The previous prime is 11504489627. The next prime is 11504489671. The reversal of 11504489666 is 66698440511.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329801 + ... + 363011.

It is an arithmetic number, because the mean of its divisors is an integer number (1083790590).

Almost surely, 2^11504489666 is an apocalyptic number.

11504489666 is a deficient number, since it is larger than the sum of its proper divisors (5836159774).

11504489666 is a wasteful number, since it uses less digits than its factorization.

11504489666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34049.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 11504489666 in words is "eleven billion, five hundred four million, four hundred eighty-nine thousand, six hundred sixty-six".