11953044668 has 12 divisors (see below), whose sum is σ = 20974827552. Its totient is φ = 5960236800.

The previous prime is 11953044667. The next prime is 11953044671. The reversal of 11953044668 is 86644035911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11953044661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4069733 + ... + 4072668.

It is an arithmetic number, because the mean of its divisors is an integer number (1747902296).

Almost surely, 2^11953044668 is an apocalyptic number.

It is an amenable number.

11953044668 is a deficient number, since it is larger than the sum of its proper divisors (9021782884).

11953044668 is a wasteful number, since it uses less digits than its factorization.

11953044668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142772 (or 8142770 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 11953044668 in words is "eleven billion, nine hundred fifty-three million, forty-four thousand, six hundred sixty-eight".