25114532105212 has 18 divisors (see below), whose sum is σ = 48309151633064. Its totient is φ = 11415696411240.

The previous prime is 25114532105207. The next prime is 25114532105219. The reversal of 25114532105212 is 21250123541152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25114532105219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25944764088 + ... + 25944765055.

Almost surely, 2^{25114532105212} is an apocalyptic number.

25114532105212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25114532105212 is a deficient number, since it is larger than the sum of its proper divisors (23194619527852).

25114532105212 is a wasteful number, since it uses less digits than its factorization.

25114532105212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51889529169 (or 51889529156 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 25114532105212 its reverse (21250123541152), we get a palindrome (46364655646364).

The spelling of 25114532105212 in words is "twenty-five trillion, one hundred fourteen billion, five hundred thirty-two million, one hundred five thousand, two hundred twelve".