25010616641057 has 2 divisors, whose sum is σ = 25010616641058. Its totient is φ = 25010616641056.

The previous prime is 25010616641053. The next prime is 25010616641071. The reversal of 25010616641057 is 75014661601052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18433489643776 + 6577126997281 = 4293424^2 + 2564591^2 .

It is a cyclic number.

It is not a de Polignac number, because 25010616641057 - 2² = 25010616641053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25010616640999 and 25010616641017.

It is not a weakly prime, because it can be changed into another prime (25010616641053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12505308320528 + 12505308320529.

It is an arithmetic number, because the mean of its divisors is an integer number (12505308320529).

Almost surely, 2^{25010616641057} is an apocalyptic number.

It is an amenable number.

25010616641057 is a deficient number, since it is larger than the sum of its proper divisors (1).

25010616641057 is an equidigital number, since it uses as much as digits as its factorization.

25010616641057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 25010616641057 in words is "twenty-five trillion, ten billion, six hundred sixteen million, six hundred forty-one thousand, fifty-seven".