5265723551643 has 64 divisors (see below), whose sum is σ = 8130839040000. Its totient is φ = 3364437565440.

The previous prime is 5265723551633. The next prime is 5265723551651. The reversal of 5265723551643 is 3461553275625.

5265723551643 is a `hidden beast` number, since 5 + 2 + 6 + 5 + 7 + 23 + 551 + 64 + 3 = 666.

5265723551643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5265723551643 - 2⁹ = 5265723551131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5265723551643.

It is not an unprimeable number, because it can be changed into a prime (5265723551623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37143108 + ... + 37284606.

It is an arithmetic number, because the mean of its divisors is an integer number (127044360000).

Almost surely, 2^{5265723551643} is an apocalyptic number.

5265723551643 is a deficient number, since it is larger than the sum of its proper divisors (2865115488357).

5265723551643 is a wasteful number, since it uses less digits than its factorization.

5265723551643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141969 (or 141963 counting only the distinct ones).

The product of its digits is 22680000, while the sum is 54.

The spelling of 5265723551643 in words is "five trillion, two hundred sixty-five billion, seven hundred twenty-three million, five hundred fifty-one thousand, six hundred forty-three".