25738580265573 has 64 divisors (see below), whose sum is σ = 43836517440000. Its totient is φ = 13365266568192.

The previous prime is 25738580265547. The next prime is 25738580265583. The reversal of 25738580265573 is 37556208583752.

It is not a de Polignac number, because 25738580265573 - 2¹² = 25738580261477 is a prime.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25738580265523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24861058 + ... + 25875651.

It is an arithmetic number, because the mean of its divisors is an integer number (684945585000).

Almost surely, 2^{25738580265573} is an apocalyptic number.

It is an amenable number.

25738580265573 is a deficient number, since it is larger than the sum of its proper divisors (18097937174427).

25738580265573 is a wasteful number, since it uses less digits than its factorization.

25738580265573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50736779 (or 50736765 counting only the distinct ones).

The product of its (nonzero) digits is 423360000, while the sum is 66.

The spelling of 25738580265573 in words is "twenty-five trillion, seven hundred thirty-eight billion, five hundred eighty million, two hundred sixty-five thousand, five hundred seventy-three".