1077701854681 has 2 divisors, whose sum is σ = 1077701854682. Its totient is φ = 1077701854680.

The previous prime is 1077701854643. The next prime is 1077701854741. The reversal of 1077701854681 is 1864581077701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605725984656 + 471975870025 = 778284^2 + 687005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1077701854681 - 2⁹ = 1077701854169 is a prime.

It is a super-2 number, since 2×1077701854681² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1077701854601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538850927340 + 538850927341.

It is an arithmetic number, because the mean of its divisors is an integer number (538850927341).

Almost surely, 2^{1077701854681} is an apocalyptic number.

It is an amenable number.

1077701854681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077701854681 is an equidigital number, since it uses as much as digits as its factorization.

1077701854681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2634240, while the sum is 55.

The spelling of 1077701854681 in words is "one trillion, seventy-seven billion, seven hundred one million, eight hundred fifty-four thousand, six hundred eighty-one".