11839776461 has 2 divisors, whose sum is σ = 11839776462. Its totient is φ = 11839776460.

The previous prime is 11839776419. The next prime is 11839776523. The reversal of 11839776461 is 16467793811.

11839776461 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., 6407202025 + 5432574436 = 80045^2 + 73706^2 .

It is a cyclic number.

It is not a de Polignac number, because 11839776461 - 2⁶ = 11839776397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11839776161) 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, 5919888230 + 5919888231.

It is an arithmetic number, because the mean of its divisors is an integer number (5919888231).

Almost surely, 2^11839776461 is an apocalyptic number.

It is an amenable number.

11839776461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11839776461 is an equidigital number, since it uses as much as digits as its factorization.

11839776461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 53.

The spelling of 11839776461 in words is "eleven billion, eight hundred thirty-nine million, seven hundred seventy-six thousand, four hundred sixty-one".