25141665013889 has 2 divisors, whose sum is σ = 25141665013890. Its totient is φ = 25141665013888.

The previous prime is 25141665013781. The next prime is 25141665013951. The reversal of 25141665013889 is 98831056614152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22435995322225 + 2705669691664 = 4736665^2 + 1644892^2 .

It is a cyclic number.

It is not a de Polignac number, because 25141665013889 - 2¹⁶ = 25141664948353 is a prime.

It is a super-2 number, since 2×25141665013889² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25141665015889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12570832506944 + 12570832506945.

It is an arithmetic number, because the mean of its divisors is an integer number (12570832506945).

Almost surely, 2^{25141665013889} is an apocalyptic number.

It is an amenable number.

25141665013889 is a deficient number, since it is larger than the sum of its proper divisors (1).

25141665013889 is an equidigital number, since it uses as much as digits as its factorization.

25141665013889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 25141665013889 in words is "twenty-five trillion, one hundred forty-one billion, six hundred sixty-five million, thirteen thousand, eight hundred eighty-nine".