25131040410169 has 2 divisors, whose sum is σ = 25131040410170. Its totient is φ = 25131040410168.

The previous prime is 25131040410083. The next prime is 25131040410187. The reversal of 25131040410169 is 96101404013152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19195789690000 + 5935250720169 = 4381300^2 + 2436237^2 .

It is a cyclic number.

It is not a de Polignac number, because 25131040410169 - 2¹¹ = 25131040408121 is a prime.

It is a super-2 number, since 2×25131040410169² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25131040410269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565520205084 + 12565520205085.

It is an arithmetic number, because the mean of its divisors is an integer number (12565520205085).

Almost surely, 2^{25131040410169} is an apocalyptic number.

It is an amenable number.

25131040410169 is a deficient number, since it is larger than the sum of its proper divisors (1).

25131040410169 is an equidigital number, since it uses as much as digits as its factorization.

25131040410169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 25131040410169 in words is "twenty-five trillion, one hundred thirty-one billion, forty million, four hundred ten thousand, one hundred sixty-nine".