25229795872 has 12 divisors (see below), whose sum is σ = 49671160686. Its totient is φ = 12614897920.

The previous prime is 25229795837. The next prime is 25229795879. The reversal of 25229795872 is 27859792252.

It can be written as a sum of positive squares in only one way, i.e., 22886848656 + 2342947216 = 151284^2 + 48404^2 .

It is not an unprimeable number, because it can be changed into a prime (25229795879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394215529 + ... + 394215592.

Almost surely, 2^25229795872 is an apocalyptic number.

It is an amenable number.

25229795872 is a deficient number, since it is larger than the sum of its proper divisors (24441364814).

25229795872 is an equidigital number, since it uses as much as digits as its factorization.

25229795872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788431131 (or 788431123 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 58.

The spelling of 25229795872 in words is "twenty-five billion, two hundred twenty-nine million, seven hundred ninety-five thousand, eight hundred seventy-two".