11756873563 has 2 divisors, whose sum is σ = 11756873564. Its totient is φ = 11756873562.

The previous prime is 11756873521. The next prime is 11756873573. The reversal of 11756873563 is 36537865711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11756873563 - 2¹³ = 11756865371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11756873563.

It is not a weakly prime, because it can be changed into another prime (11756873573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5878436781 + 5878436782.

It is an arithmetic number, because the mean of its divisors is an integer number (5878436782).

Almost surely, 2^11756873563 is an apocalyptic number.

11756873563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11756873563 is an equidigital number, since it uses as much as digits as its factorization.

11756873563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 52.

The spelling of 11756873563 in words is "eleven billion, seven hundred fifty-six million, eight hundred seventy-three thousand, five hundred sixty-three".