25085566501073 has 16 divisors (see below), whose sum is σ = 27328434739200. Its totient is φ = 22888406424576.

The previous prime is 25085566501049. The next prime is 25085566501087. The reversal of 25085566501073 is 37010566558052.

It is a cyclic number.

It is not a de Polignac number, because 25085566501073 - 2³² = 25081271533777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25085566501013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19458065 + ... + 20707182.

It is an arithmetic number, because the mean of its divisors is an integer number (1708027171200).

Almost surely, 2^{25085566501073} is an apocalyptic number.

It is an amenable number.

25085566501073 is a deficient number, since it is larger than the sum of its proper divisors (2242868238127).

25085566501073 is a wasteful number, since it uses less digits than its factorization.

25085566501073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40165816.

The product of its (nonzero) digits is 7560000, while the sum is 53.

The spelling of 25085566501073 in words is "twenty-five trillion, eighty-five billion, five hundred sixty-six million, five hundred one thousand, seventy-three".