25121122414207 has 2 divisors, whose sum is σ = 25121122414208. Its totient is φ = 25121122414206.

The previous prime is 25121122414189. The next prime is 25121122414211. The reversal of 25121122414207 is 70241422112152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25121122414207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25121122414607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12560561207103 + 12560561207104.

It is an arithmetic number, because the mean of its divisors is an integer number (12560561207104).

Almost surely, 2^{25121122414207} is an apocalyptic number.

25121122414207 is a deficient number, since it is larger than the sum of its proper divisors (1).

25121122414207 is an equidigital number, since it uses as much as digits as its factorization.

25121122414207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 34.

Adding to 25121122414207 its reverse (70241422112152), we get a palindrome (95362544526359).

The spelling of 25121122414207 in words is "twenty-five trillion, one hundred twenty-one billion, one hundred twenty-two million, four hundred fourteen thousand, two hundred seven".