25223426781086 has 16 divisors (see below), whose sum is σ = 39414862856880. Its totient is φ = 12095566374720.

The previous prime is 25223426781079. The next prime is 25223426781101. The reversal of 25223426781086 is 68018762432252.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606798261 + ... + 2606807936.

It is an arithmetic number, because the mean of its divisors is an integer number (2463428928555).

Almost surely, 2^{25223426781086} is an apocalyptic number.

25223426781086 is a deficient number, since it is larger than the sum of its proper divisors (14191436075794).

25223426781086 is a wasteful number, since it uses less digits than its factorization.

25223426781086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213606299.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 25223426781086 in words is "twenty-five trillion, two hundred twenty-three billion, four hundred twenty-six million, seven hundred eighty-one thousand, eighty-six".