25242852639511 has 8 divisors (see below), whose sum is σ = 27847649816784. Its totient is φ = 22732775359680.

The previous prime is 25242852639451. The next prime is 25242852639517. The reversal of 25242852639511 is 11593625824252.

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 25242852639511 - 2²³ = 25242844250903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242852639517) 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, 23679973801 + ... + 23679974866.

It is an arithmetic number, because the mean of its divisors is an integer number (3480956227098).

Almost surely, 2^{25242852639511} is an apocalyptic number.

25242852639511 is a deficient number, since it is larger than the sum of its proper divisors (2604797177273).

25242852639511 is a wasteful number, since it uses less digits than its factorization.

25242852639511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47359948721.

The product of its digits is 10368000, while the sum is 55.

The spelling of 25242852639511 in words is "twenty-five trillion, two hundred forty-two billion, eight hundred fifty-two million, six hundred thirty-nine thousand, five hundred eleven".