11491043635 has 8 divisors (see below), whose sum is σ = 13983467616. Its totient is φ = 9063358080.

The previous prime is 11491043623. The next prime is 11491043651. The reversal of 11491043635 is 53634019411.

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

It is not a de Polignac number, because 11491043635 - 2⁷ = 11491043507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11491043594 and 11491043603.

It is an unprimeable number.

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, 16184214 + ... + 16184923.

It is an arithmetic number, because the mean of its divisors is an integer number (1747933452).

Almost surely, 2^11491043635 is an apocalyptic number.

11491043635 is a deficient number, since it is larger than the sum of its proper divisors (2492423981).

11491043635 is an equidigital number, since it uses as much as digits as its factorization.

11491043635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32369213.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 11491043635 in words is "eleven billion, four hundred ninety-one million, forty-three thousand, six hundred thirty-five".