11846756021 has 2 divisors, whose sum is σ = 11846756022. Its totient is φ = 11846756020.

The previous prime is 11846755997. The next prime is 11846756069. The reversal of 11846756021 is 12065764811.

11846756021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11845927921 + 828100 = 108839^2 + 910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11846756021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11846756021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11846756081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923378010 + 5923378011.

It is an arithmetic number, because the mean of its divisors is an integer number (5923378011).

Almost surely, 2^11846756021 is an apocalyptic number.

It is an amenable number.

11846756021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11846756021 is an equidigital number, since it uses as much as digits as its factorization.

11846756021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 11846756021 in words is "eleven billion, eight hundred forty-six million, seven hundred fifty-six thousand, twenty-one".