11854110967841 has 2 divisors, whose sum is σ = 11854110967842. Its totient is φ = 11854110967840.

The previous prime is 11854110967819. The next prime is 11854110967847. The reversal of 11854110967841 is 14876901145811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9693284467216 + 2160826500625 = 3113404^2 + 1469975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11854110967841 is a prime.

It is not a weakly prime, because it can be changed into another prime (11854110967847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5927055483920 + 5927055483921.

It is an arithmetic number, because the mean of its divisors is an integer number (5927055483921).

Almost surely, 2^{11854110967841} is an apocalyptic number.

It is an amenable number.

11854110967841 is a deficient number, since it is larger than the sum of its proper divisors (1).

11854110967841 is an equidigital number, since it uses as much as digits as its factorization.

11854110967841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 56.

The spelling of 11854110967841 in words is "eleven trillion, eight hundred fifty-four billion, one hundred ten million, nine hundred sixty-seven thousand, eight hundred forty-one".