25871194212 has 48 divisors (see below), whose sum is σ = 62726221824. Its totient is φ = 8290260000.

The previous prime is 25871194211. The next prime is 25871194249. The reversal of 25871194212 is 21249117852.

It is not an unprimeable number, because it can be changed into a prime (25871194211) 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, 174114 + ... + 286457.

It is an arithmetic number, because the mean of its divisors is an integer number (1306796288).

Almost surely, 2^25871194212 is an apocalyptic number.

It is an amenable number.

25871194212 is an abundant number, since it is smaller than the sum of its proper divisors (36855027612).

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

25871194212 is a wasteful number, since it uses less digits than its factorization.

25871194212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460760 (or 460758 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The spelling of 25871194212 in words is "twenty-five billion, eight hundred seventy-one million, one hundred ninety-four thousand, two hundred twelve".