25277975993701 has 2 divisors, whose sum is σ = 25277975993702. Its totient is φ = 25277975993700.

The previous prime is 25277975993689. The next prime is 25277975993723. The reversal of 25277975993701 is 10739957977252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24813090663076 + 464885330625 = 4981274^2 + 681825^2 .

It is a cyclic number.

It is not a de Polignac number, because 25277975993701 - 2¹⁵ = 25277975960933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25277975993771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12638987996850 + 12638987996851.

It is an arithmetic number, because the mean of its divisors is an integer number (12638987996851).

Almost surely, 2^{25277975993701} is an apocalyptic number.

It is an amenable number.

25277975993701 is a deficient number, since it is larger than the sum of its proper divisors (1).

25277975993701 is an equidigital number, since it uses as much as digits as its factorization.

25277975993701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525098700, while the sum is 73.

The spelling of 25277975993701 in words is "twenty-five trillion, two hundred seventy-seven billion, nine hundred seventy-five million, nine hundred ninety-three thousand, seven hundred one".