25318112965963 has 2 divisors, whose sum is σ = 25318112965964. Its totient is φ = 25318112965962.

The previous prime is 25318112965933. The next prime is 25318112965967. The reversal of 25318112965963 is 36956921181352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25318112965963 - 2³³ = 25309523031371 is a prime.

It is not a weakly prime, because it can be changed into another prime (25318112965967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12659056482981 + 12659056482982.

It is an arithmetic number, because the mean of its divisors is an integer number (12659056482982).

Almost surely, 2^{25318112965963} is an apocalyptic number.

25318112965963 is a deficient number, since it is larger than the sum of its proper divisors (1).

25318112965963 is an equidigital number, since it uses as much as digits as its factorization.

25318112965963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20995200, while the sum is 61.

The spelling of 25318112965963 in words is "twenty-five trillion, three hundred eighteen billion, one hundred twelve million, nine hundred sixty-five thousand, nine hundred sixty-three".