11806884413 has 2 divisors, whose sum is σ = 11806884414. Its totient is φ = 11806884412.

The previous prime is 11806884391. The next prime is 11806884433. The reversal of 11806884413 is 31448860811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11436591364 + 370293049 = 106942^2 + 19243^2 .

It is a cyclic number.

It is not a de Polignac number, because 11806884413 - 2²⁰ = 11805835837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11806884433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903442206 + 5903442207.

It is an arithmetic number, because the mean of its divisors is an integer number (5903442207).

Almost surely, 2^11806884413 is an apocalyptic number.

It is an amenable number.

11806884413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11806884413 is an equidigital number, since it uses as much as digits as its factorization.

11806884413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 11806884413 in words is "eleven billion, eight hundred six million, eight hundred eighty-four thousand, four hundred thirteen".