11757224861 has 2 divisors, whose sum is σ = 11757224862. Its totient is φ = 11757224860.

The previous prime is 11757224807. The next prime is 11757224881. The reversal of 11757224861 is 16842275711.

11757224861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6091802500 + 5665422361 = 78050^2 + 75269^2 .

It is a cyclic number.

It is not a de Polignac number, because 11757224861 - 2²² = 11753030557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11757224881) 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, 5878612430 + 5878612431.

It is an arithmetic number, because the mean of its divisors is an integer number (5878612431).

Almost surely, 2^11757224861 is an apocalyptic number.

It is an amenable number.

11757224861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11757224861 is an equidigital number, since it uses as much as digits as its factorization.

11757224861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 44.

The spelling of 11757224861 in words is "eleven billion, seven hundred fifty-seven million, two hundred twenty-four thousand, eight hundred sixty-one".