25166842667011 has 2 divisors, whose sum is σ = 25166842667012. Its totient is φ = 25166842667010.

The previous prime is 25166842666967. The next prime is 25166842667017. The reversal of 25166842667011 is 11076624866152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25166842667011 - 2²⁵ = 25166809112579 is a prime.

It is not a weakly prime, because it can be changed into another prime (25166842667017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12583421333505 + 12583421333506.

It is an arithmetic number, because the mean of its divisors is an integer number (12583421333506).

Almost surely, 2^{25166842667011} is an apocalyptic number.

25166842667011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25166842667011 is an equidigital number, since it uses as much as digits as its factorization.

25166842667011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 25166842667011 in words is "twenty-five trillion, one hundred sixty-six billion, eight hundred forty-two million, six hundred sixty-seven thousand, eleven".