11876812613 has 2 divisors, whose sum is σ = 11876812614. Its totient is φ = 11876812612.

The previous prime is 11876812573. The next prime is 11876812693. The reversal of 11876812613 is 31621867811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11850935044 + 25877569 = 108862^2 + 5087^2 .

It is a cyclic number.

It is not a de Polignac number, because 11876812613 - 2¹⁰ = 11876811589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11876812693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938406306 + 5938406307.

It is an arithmetic number, because the mean of its divisors is an integer number (5938406307).

Almost surely, 2^11876812613 is an apocalyptic number.

It is an amenable number.

11876812613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11876812613 is an equidigital number, since it uses as much as digits as its factorization.

11876812613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 44.

The spelling of 11876812613 in words is "eleven billion, eight hundred seventy-six million, eight hundred twelve thousand, six hundred thirteen".