25724543071317 has 8 divisors (see below), whose sum is σ = 36104621854560. Its totient is φ = 16247079834480.

The previous prime is 25724543071289. The next prime is 25724543071363. The reversal of 25724543071317 is 71317034542752.

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

It is not a de Polignac number, because 25724543071317 - 2²⁰ = 25724542022741 is a prime.

It is a super-2 number, since 2×25724543071317² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25724543071317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25724543071387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225653886534 + ... + 225653886647.

It is an arithmetic number, because the mean of its divisors is an integer number (4513077731820).

Almost surely, 2^{25724543071317} is an apocalyptic number.

It is an amenable number.

25724543071317 is a deficient number, since it is larger than the sum of its proper divisors (10380078783243).

25724543071317 is a wasteful number, since it uses less digits than its factorization.

25724543071317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451307773203.

The product of its (nonzero) digits is 4939200, while the sum is 51.

The spelling of 25724543071317 in words is "twenty-five trillion, seven hundred twenty-four billion, five hundred forty-three million, seventy-one thousand, three hundred seventeen".