13214077115861 has 2 divisors, whose sum is σ = 13214077115862. Its totient is φ = 13214077115860.

The previous prime is 13214077115843. The next prime is 13214077115893. The reversal of 13214077115861 is 16851177041231.

13214077115861 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., 13158248404900 + 55828710961 = 3627430^2 + 236281^2 .

It is a cyclic number.

It is not a de Polignac number, because 13214077115861 - 2⁶ = 13214077115797 is a prime.

It is a super-2 number, since 2×13214077115861² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13214077115801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607038557930 + 6607038557931.

It is an arithmetic number, because the mean of its divisors is an integer number (6607038557931).

Almost surely, 2^{13214077115861} is an apocalyptic number.

It is an amenable number.

13214077115861 is a deficient number, since it is larger than the sum of its proper divisors (1).

13214077115861 is an equidigital number, since it uses as much as digits as its factorization.

13214077115861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 13214077115861 in words is "thirteen trillion, two hundred fourteen billion, seventy-seven million, one hundred fifteen thousand, eight hundred sixty-one".