25166422125011 has 4 divisors (see below), whose sum is σ = 25292886558000. Its totient is φ = 25039957692024.

The previous prime is 25166422124999. The next prime is 25166422125083. The reversal of 25166422125011 is 11052122466152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25166422125011 - 2¹⁰ = 25166422123987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25166422125311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63232216196 + ... + 63232216593.

It is an arithmetic number, because the mean of its divisors is an integer number (6323221639500).

Almost surely, 2^{25166422125011} is an apocalyptic number.

25166422125011 is a deficient number, since it is larger than the sum of its proper divisors (126464432989).

25166422125011 is a wasteful number, since it uses less digits than its factorization.

25166422125011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126464432988.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 25166422125011 in words is "twenty-five trillion, one hundred sixty-six billion, four hundred twenty-two million, one hundred twenty-five thousand, eleven".