11876353866523 has 2 divisors, whose sum is σ = 11876353866524. Its totient is φ = 11876353866522.

The previous prime is 11876353866491. The next prime is 11876353866563. The reversal of 11876353866523 is 32566835367811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11876353866523 - 2⁵ = 11876353866491 is a prime.

It is not a weakly prime, because it can be changed into another prime (11876353866563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938176933261 + 5938176933262.

It is an arithmetic number, because the mean of its divisors is an integer number (5938176933262).

Almost surely, 2^{11876353866523} is an apocalyptic number.

11876353866523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11876353866523 is an equidigital number, since it uses as much as digits as its factorization.

11876353866523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 64.

The spelling of 11876353866523 in words is "eleven trillion, eight hundred seventy-six billion, three hundred fifty-three million, eight hundred sixty-six thousand, five hundred twenty-three".