25804248760081 has 16 divisors (see below), whose sum is σ = 28476437004288. Its totient is φ = 23187814952400.

The previous prime is 25804248760063. The next prime is 25804248760091. The reversal of 25804248760081 is 18006784240852.

It is a cyclic number.

It is not a de Polignac number, because 25804248760081 - 2¹¹ = 25804248758033 is a prime.

It is a super-2 number, since 2×25804248760081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25804248760091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33701095 + ... + 34458268.

It is an arithmetic number, because the mean of its divisors is an integer number (1779777312768).

Almost surely, 2^{25804248760081} is an apocalyptic number.

It is an amenable number.

25804248760081 is a deficient number, since it is larger than the sum of its proper divisors (2672188244207).

25804248760081 is a wasteful number, since it uses less digits than its factorization.

25804248760081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68159772.

The product of its (nonzero) digits is 6881280, while the sum is 55.

The spelling of 25804248760081 in words is "twenty-five trillion, eight hundred four billion, two hundred forty-eight million, seven hundred sixty thousand, eighty-one".