25452210523412 has 72 divisors (see below), whose sum is σ = 49056480349632. Its totient is φ = 11531282400000.

The previous prime is 25452210523387. The next prime is 25452210523459. The reversal of 25452210523412 is 21432501225452.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 805408412 + ... + 805440012.

It is an arithmetic number, because the mean of its divisors is an integer number (681340004856).

Almost surely, 2^{25452210523412} is an apocalyptic number.

It is an amenable number.

25452210523412 is a deficient number, since it is larger than the sum of its proper divisors (23604269826220).

25452210523412 is a wasteful number, since it uses less digits than its factorization.

25452210523412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55917 (or 55896 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 25452210523412 its reverse (21432501225452), we get a palindrome (46884711748864).

The spelling of 25452210523412 in words is "twenty-five trillion, four hundred fifty-two billion, two hundred ten million, five hundred twenty-three thousand, four hundred twelve".