25710492012 has 36 divisors (see below), whose sum is σ = 60722836440. Its totient is φ = 8466881792.

The previous prime is 25710492007. The next prime is 25710492077. The reversal of 25710492012 is 21029401752.

It is a super-2 number, since 2×25710492012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72837 + ... + 238172.

Almost surely, 2^25710492012 is an apocalyptic number.

It is an amenable number.

25710492012 is an abundant number, since it is smaller than the sum of its proper divisors (35012344428).

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

25710492012 is a wasteful number, since it uses less digits than its factorization.

25710492012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311182 (or 311097 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 25710492012 its reverse (21029401752), we get a palindrome (46739893764).

The spelling of 25710492012 in words is "twenty-five billion, seven hundred ten million, four hundred ninety-two thousand, twelve".