25212580607645 has 8 divisors (see below), whose sum is σ = 30255776779104. Its totient is φ = 20169611119504.

The previous prime is 25212580607593. The next prime is 25212580607689. The reversal of 25212580607645 is 54670608521252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25212580607645 - 2¹² = 25212580603549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56426039 + ... + 56871108.

It is an arithmetic number, because the mean of its divisors is an integer number (3781972097388).

Almost surely, 2^{25212580607645} is an apocalyptic number.

It is an amenable number.

25212580607645 is a deficient number, since it is larger than the sum of its proper divisors (5043196171459).

25212580607645 is a wasteful number, since it uses less digits than its factorization.

25212580607645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113341659.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 25212580607645 in words is "twenty-five trillion, two hundred twelve billion, five hundred eighty million, six hundred seven thousand, six hundred forty-five".