25660184312101 has 2 divisors, whose sum is σ = 25660184312102. Its totient is φ = 25660184312100.

The previous prime is 25660184312053. The next prime is 25660184312137. The reversal of 25660184312101 is 10121348106652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19883126902500 + 5777057409601 = 4459050^2 + 2403551^2 .

It is a cyclic number.

It is not a de Polignac number, because 25660184312101 - 2⁷ = 25660184311973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25660194312101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12830092156050 + 12830092156051.

It is an arithmetic number, because the mean of its divisors is an integer number (12830092156051).

Almost surely, 2^{25660184312101} is an apocalyptic number.

It is an amenable number.

25660184312101 is a deficient number, since it is larger than the sum of its proper divisors (1).

25660184312101 is an equidigital number, since it uses as much as digits as its factorization.

25660184312101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 25660184312101 in words is "twenty-five trillion, six hundred sixty billion, one hundred eighty-four million, three hundred twelve thousand, one hundred one".