25525085286 has 32 divisors (see below), whose sum is σ = 51746692608. Its totient is φ = 8392919040.

The previous prime is 25525085269. The next prime is 25525085309. The reversal of 25525085286 is 68258052552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78471 + ... + 239181.

It is an arithmetic number, because the mean of its divisors is an integer number (1617084144).

Almost surely, 2^25525085286 is an apocalyptic number.

25525085286 is an abundant number, since it is smaller than the sum of its proper divisors (26221607322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25525085286 is a wasteful number, since it uses less digits than its factorization.

25525085286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161076.

The product of its (nonzero) digits is 1920000, while the sum is 48.

The spelling of 25525085286 in words is "twenty-five billion, five hundred twenty-five million, eighty-five thousand, two hundred eighty-six".