11811393293 has 8 divisors (see below), whose sum is σ = 13547469312. Its totient is φ = 10087500816.

The previous prime is 11811393289. The next prime is 11811393299. The reversal of 11811393293 is 39239311811.

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

It is a cyclic number.

It is not a de Polignac number, because 11811393293 - 2² = 11811393289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11811393293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11811393299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3043805 + ... + 3047682.

It is an arithmetic number, because the mean of its divisors is an integer number (1693433664).

Almost surely, 2^11811393293 is an apocalyptic number.

It is an amenable number.

11811393293 is a deficient number, since it is larger than the sum of its proper divisors (1736076019).

11811393293 is an equidigital number, since it uses as much as digits as its factorization.

11811393293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091771.

The product of its digits is 34992, while the sum is 41.

The spelling of 11811393293 in words is "eleven billion, eight hundred eleven million, three hundred ninety-three thousand, two hundred ninety-three".