25328350851 has 16 divisors (see below), whose sum is σ = 35027287968. Its totient is φ = 16266528000.

The previous prime is 25328350849. The next prime is 25328350871. The reversal of 25328350851 is 15805382352.

It is a happy number.

It is not a de Polignac number, because 25328350851 - 2¹ = 25328350849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25328350811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118410 + ... + 1140831.

It is an arithmetic number, because the mean of its divisors is an integer number (2189205498).

Almost surely, 2^25328350851 is an apocalyptic number.

25328350851 is a deficient number, since it is larger than the sum of its proper divisors (9698937117).

25328350851 is a wasteful number, since it uses less digits than its factorization.

25328350851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259382.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 25328350851 in words is "twenty-five billion, three hundred twenty-eight million, three hundred fifty thousand, eight hundred fifty-one".