11491444679 has 32 divisors (see below), whose sum is σ = 13749411648. Its totient is φ = 9465984000.

The previous prime is 11491444651. The next prime is 11491444693. The reversal of 11491444679 is 97644419411.

It is a de Polignac number, because none of the positive numbers 2^k-11491444679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11491444879) 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 31 ways as a sum of consecutive naturals, for example, 5764907 + ... + 5766899.

It is an arithmetic number, because the mean of its divisors is an integer number (429669114).

Almost surely, 2^11491444679 is an apocalyptic number.

11491444679 is a deficient number, since it is larger than the sum of its proper divisors (2257966969).

11491444679 is a wasteful number, since it uses less digits than its factorization.

11491444679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739.

The product of its digits is 870912, while the sum is 50.

The spelling of 11491444679 in words is "eleven billion, four hundred ninety-one million, four hundred forty-four thousand, six hundred seventy-nine".