25508075342943 has 16 divisors (see below), whose sum is σ = 35490514023936. Its totient is φ = 16265552524320.

The previous prime is 25508075342861. The next prime is 25508075343019. The reversal of 25508075342943 is 34924357080552.

It is not a de Polignac number, because 25508075342943 - 2¹³ = 25508075334751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25508075343943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2870355 + ... + 7697732.

It is an arithmetic number, because the mean of its divisors is an integer number (2218157126496).

Almost surely, 2^{25508075342943} is an apocalyptic number.

25508075342943 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25508075342943 is a deficient number, since it is larger than the sum of its proper divisors (9982438680993).

25508075342943 is a wasteful number, since it uses less digits than its factorization.

25508075342943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603094.

The product of its (nonzero) digits is 36288000, while the sum is 57.

The spelling of 25508075342943 in words is "twenty-five trillion, five hundred eight billion, seventy-five million, three hundred forty-two thousand, nine hundred forty-three".