25720112033747 has 4 divisors (see below), whose sum is σ = 27233059800456. Its totient is φ = 24207164267040.

The previous prime is 25720112033711. The next prime is 25720112033801. The reversal of 25720112033747 is 74733021102752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25720112033747 - 2¹⁸ = 25720111771603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25720112033698 and 25720112033707.

It is not an unprimeable number, because it can be changed into a prime (25720112033647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756473883329 + ... + 756473883362.

It is an arithmetic number, because the mean of its divisors is an integer number (6808264950114).

Almost surely, 2^{25720112033747} is an apocalyptic number.

25720112033747 is a deficient number, since it is larger than the sum of its proper divisors (1512947766709).

25720112033747 is a wasteful number, since it uses less digits than its factorization.

25720112033747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512947766708.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 25720112033747 in words is "twenty-five trillion, seven hundred twenty billion, one hundred twelve million, thirty-three thousand, seven hundred forty-seven".