25670971411 has 2 divisors, whose sum is σ = 25670971412. Its totient is φ = 25670971410.

The previous prime is 25670971357. The next prime is 25670971427. The reversal of 25670971411 is 11417907652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25670971411 - 2³¹ = 23523487763 is a prime.

It is not a weakly prime, because it can be changed into another prime (25670971481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12835485705 + 12835485706.

It is an arithmetic number, because the mean of its divisors is an integer number (12835485706).

Almost surely, 2^25670971411 is an apocalyptic number.

25670971411 is a deficient number, since it is larger than the sum of its proper divisors (1).

25670971411 is an equidigital number, since it uses as much as digits as its factorization.

25670971411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 25670971411 in words is "twenty-five billion, six hundred seventy million, nine hundred seventy-one thousand, four hundred eleven".