25211664143 has 2 divisors, whose sum is σ = 25211664144. Its totient is φ = 25211664142.

The previous prime is 25211664043. The next prime is 25211664169. The reversal of 25211664143 is 34146611252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25211664143 - 2⁸ = 25211663887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25211664043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605832071 + 12605832072.

It is an arithmetic number, because the mean of its divisors is an integer number (12605832072).

Almost surely, 2^25211664143 is an apocalyptic number.

25211664143 is a deficient number, since it is larger than the sum of its proper divisors (1).

25211664143 is an equidigital number, since it uses as much as digits as its factorization.

25211664143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The spelling of 25211664143 in words is "twenty-five billion, two hundred eleven million, six hundred sixty-four thousand, one hundred forty-three".