5265985005663 has 4 divisors (see below), whose sum is σ = 7021313340888. Its totient is φ = 3510656670440.

The previous prime is 5265985005649. The next prime is 5265985005691. The reversal of 5265985005663 is 3665005895625.

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 5265985005663 - 2¹² = 5265985001567 is a prime.

It is a super-2 number, since 2×5265985005663² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5265985005597 and 5265985005606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265985005163) 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, 877664167608 + ... + 877664167613.

It is an arithmetic number, because the mean of its divisors is an integer number (1755328335222).

Almost surely, 2^{5265985005663} is an apocalyptic number.

5265985005663 is a deficient number, since it is larger than the sum of its proper divisors (1755328335225).

5265985005663 is a wasteful number, since it uses less digits than its factorization.

5265985005663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755328335224.

The product of its (nonzero) digits is 58320000, while the sum is 60.

The spelling of 5265985005663 in words is "five trillion, two hundred sixty-five billion, nine hundred eighty-five million, five thousand, six hundred sixty-three".