11949375664 has 10 divisors (see below), whose sum is σ = 23151915380. Its totient is φ = 5974687824.

The previous prime is 11949375649. The next prime is 11949375727. The reversal of 11949375664 is 46657394911.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373417974 + ... + 373418005.

It is an arithmetic number, because the mean of its divisors is an integer number (2315191538).

Almost surely, 2^11949375664 is an apocalyptic number.

It is an amenable number.

11949375664 is a deficient number, since it is larger than the sum of its proper divisors (11202539716).

11949375664 is an equidigital number, since it uses as much as digits as its factorization.

11949375664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746835987 (or 746835981 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The spelling of 11949375664 in words is "eleven billion, nine hundred forty-nine million, three hundred seventy-five thousand, six hundred sixty-four".