25141674402181 has 2 divisors, whose sum is σ = 25141674402182. Its totient is φ = 25141674402180.

The previous prime is 25141674402133. The next prime is 25141674402239. The reversal of 25141674402181 is 18120447614152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19218491532100 + 5923182870081 = 4383890^2 + 2433759^2 .

It is a cyclic number.

It is not a de Polignac number, because 25141674402181 - 2³⁵ = 25107314663813 is a prime.

It is a super-2 number, since 2×25141674402181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25141674402121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12570837201090 + 12570837201091.

It is an arithmetic number, because the mean of its divisors is an integer number (12570837201091).

Almost surely, 2^{25141674402181} is an apocalyptic number.

It is an amenable number.

25141674402181 is a deficient number, since it is larger than the sum of its proper divisors (1).

25141674402181 is an equidigital number, since it uses as much as digits as its factorization.

25141674402181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 25141674402181 in words is "twenty-five trillion, one hundred forty-one billion, six hundred seventy-four million, four hundred two thousand, one hundred eighty-one".