25023116167445 has 16 divisors (see below), whose sum is σ = 32757646171392. Its totient is φ = 18198567562560.

The previous prime is 25023116167403. The next prime is 25023116167471. The reversal of 25023116167445 is 54476161132052.

It is a de Polignac number, because none of the positive numbers 2^k-25023116167445 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25023116167445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20786084 + ... + 21956946.

It is an arithmetic number, because the mean of its divisors is an integer number (2047352885712).

Almost surely, 2^{25023116167445} is an apocalyptic number.

It is an amenable number.

25023116167445 is a deficient number, since it is larger than the sum of its proper divisors (7734530003947).

25023116167445 is a wasteful number, since it uses less digits than its factorization.

25023116167445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559452.

The product of its (nonzero) digits is 1209600, while the sum is 47.

Adding to 25023116167445 its reverse (54476161132052), we get a palindrome (79499277299497).

The spelling of 25023116167445 in words is "twenty-five trillion, twenty-three billion, one hundred sixteen million, one hundred sixty-seven thousand, four hundred forty-five".