25128071210 has 48 divisors (see below), whose sum is σ = 49900306176. Its totient is φ = 9103644000.

The previous prime is 25128071153. The next prime is 25128071219. The reversal of 25128071210 is 1217082152.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25128071219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289595 + ... + 366225.

It is an arithmetic number, because the mean of its divisors is an integer number (1039589712).

Almost surely, 2^25128071210 is an apocalyptic number.

25128071210 is a deficient number, since it is larger than the sum of its proper divisors (24772234966).

25128071210 is a wasteful number, since it uses less digits than its factorization.

25128071210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76931 (or 76920 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 25128071210 in words is "twenty-five billion, one hundred twenty-eight million, seventy-one thousand, two hundred ten".