11909286143 has 2 divisors, whose sum is σ = 11909286144. Its totient is φ = 11909286142.

The previous prime is 11909286133. The next prime is 11909286161. The reversal of 11909286143 is 34168290911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11909286143 - 2²⁰ = 11908237567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11909286094 and 11909286103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11909286133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5954643071 + 5954643072.

It is an arithmetic number, because the mean of its divisors is an integer number (5954643072).

Almost surely, 2^11909286143 is an apocalyptic number.

11909286143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11909286143 is an equidigital number, since it uses as much as digits as its factorization.

11909286143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 11909286143 in words is "eleven billion, nine hundred nine million, two hundred eighty-six thousand, one hundred forty-three".