6777801574001 has 2 divisors, whose sum is σ = 6777801574002. Its totient is φ = 6777801574000.

The previous prime is 6777801573997. The next prime is 6777801574067. The reversal of 6777801574001 is 1004751087776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6460467645025 + 317333928976 = 2541745^2 + 563324^2 .

It is a cyclic number.

It is not a de Polignac number, because 6777801574001 - 2² = 6777801573997 is a prime.

It is not a weakly prime, because it can be changed into another prime (6777801574081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388900787000 + 3388900787001.

It is an arithmetic number, because the mean of its divisors is an integer number (3388900787001).

Almost surely, 2^{6777801574001} is an apocalyptic number.

It is an amenable number.

6777801574001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6777801574001 is an equidigital number, since it uses as much as digits as its factorization.

6777801574001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304960, while the sum is 53.

The spelling of 6777801574001 in words is "six trillion, seven hundred seventy-seven billion, eight hundred one million, five hundred seventy-four thousand, one".