25801610852 has 12 divisors (see below), whose sum is σ = 45771351276. Its totient is φ = 12724081920.

The previous prime is 25801610831. The next prime is 25801610867.

25801610852 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 22546223716 + 3255387136 = 150154^2 + 57056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44180549 + ... + 44181132.

It is an arithmetic number, because the mean of its divisors is an integer number (3814279273).

Almost surely, 2^25801610852 is an apocalyptic number.

It is an amenable number.

25801610852 is a deficient number, since it is larger than the sum of its proper divisors (19969740424).

25801610852 is a wasteful number, since it uses less digits than its factorization.

25801610852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88361758 (or 88361756 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 25801610852 in words is "twenty-five billion, eight hundred one million, six hundred ten thousand, eight hundred fifty-two".