6411879301081 has 2 divisors, whose sum is σ = 6411879301082. Its totient is φ = 6411879301080.

The previous prime is 6411879301049. The next prime is 6411879301099. The reversal of 6411879301081 is 1801039781146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5418229188681 + 993650112400 = 2327709^2 + 996820^2 .

It is a cyclic number.

It is not a de Polignac number, because 6411879301081 - 2⁵ = 6411879301049 is a prime.

It is a super-2 number, since 2×6411879301081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6411874301081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205939650540 + 3205939650541.

It is an arithmetic number, because the mean of its divisors is an integer number (3205939650541).

Almost surely, 2^{6411879301081} is an apocalyptic number.

It is an amenable number.

6411879301081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6411879301081 is an equidigital number, since it uses as much as digits as its factorization.

6411879301081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 49.

The spelling of 6411879301081 in words is "six trillion, four hundred eleven billion, eight hundred seventy-nine million, three hundred one thousand, eighty-one".