25613432334543 has 16 divisors (see below), whose sum is σ = 34187059259136. Its totient is φ = 17057714367360.

The previous prime is 25613432334493. The next prime is 25613432334617. The reversal of 25613432334543 is 34543323431652.

It is a happy number.

It is not a de Polignac number, because 25613432334543 - 2⁹ = 25613432334031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25613432334492 and 25613432334501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25613432334043) 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, 152301580 + ... + 152469662.

It is an arithmetic number, because the mean of its divisors is an integer number (2136691203696).

Almost surely, 2^{25613432334543} is an apocalyptic number.

25613432334543 is a deficient number, since it is larger than the sum of its proper divisors (8573626924593).

25613432334543 is a wasteful number, since it uses less digits than its factorization.

25613432334543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221054.

The product of its digits is 9331200, while the sum is 48.

The spelling of 25613432334543 in words is "twenty-five trillion, six hundred thirteen billion, four hundred thirty-two million, three hundred thirty-four thousand, five hundred forty-three".