11491164879 has 8 divisors (see below), whose sum is σ = 15462118320. Its totient is φ = 7590494016.

The previous prime is 11491164877. The next prime is 11491164911. The reversal of 11491164879 is 97846119411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11491164879 - 2¹ = 11491164877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11491164877) 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 7 ways as a sum of consecutive naturals, for example, 17570262 + ... + 17570915.

It is an arithmetic number, because the mean of its divisors is an integer number (1932764790).

Almost surely, 2^11491164879 is an apocalyptic number.

11491164879 is a deficient number, since it is larger than the sum of its proper divisors (3970953441).

11491164879 is a wasteful number, since it uses less digits than its factorization.

11491164879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35141289.

The product of its digits is 435456, while the sum is 51.

The spelling of 11491164879 in words is "eleven billion, four hundred ninety-one million, one hundred sixty-four thousand, eight hundred seventy-nine".