1316705225543 has 4 divisors (see below), whose sum is σ = 1362108854040. Its totient is φ = 1271301597048.

The previous prime is 1316705225519. The next prime is 1316705225567. The reversal of 1316705225543 is 3455225076131.

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

It is an interprime number because it is at equal distance from previous prime (1316705225519) and next prime (1316705225567).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316705225543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1316705225494 and 1316705225503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316705225573) 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, 22701814205 + ... + 22701814262.

It is an arithmetic number, because the mean of its divisors is an integer number (340527213510).

Almost surely, 2^{1316705225543} is an apocalyptic number.

1316705225543 is a deficient number, since it is larger than the sum of its proper divisors (45403628497).

1316705225543 is an equidigital number, since it uses as much as digits as its factorization.

1316705225543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45403628496.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 1316705225543 in words is "one trillion, three hundred sixteen billion, seven hundred five million, two hundred twenty-five thousand, five hundred forty-three".