11793051186821 has 4 divisors (see below), whose sum is σ = 11819914629600. Its totient is φ = 11766187744044.

The previous prime is 11793051186769. The next prime is 11793051186857. The reversal of 11793051186821 is 12868115039711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11793051186821 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 (11793051186121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13431720731 + ... + 13431721608.

It is an arithmetic number, because the mean of its divisors is an integer number (2954978657400).

Almost surely, 2^{11793051186821} is an apocalyptic number.

It is an amenable number.

11793051186821 is a deficient number, since it is larger than the sum of its proper divisors (26863442779).

11793051186821 is an equidigital number, since it uses as much as digits as its factorization.

11793051186821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26863442778.

The product of its (nonzero) digits is 725760, while the sum is 53.

The spelling of 11793051186821 in words is "eleven trillion, seven hundred ninety-three billion, fifty-one million, one hundred eighty-six thousand, eight hundred twenty-one".