11141856871 has 2 divisors, whose sum is σ = 11141856872. Its totient is φ = 11141856870.

The previous prime is 11141856793. The next prime is 11141856883. The reversal of 11141856871 is 17865814111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11141856871 - 2⁷ = 11141856743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11141856071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570928435 + 5570928436.

It is an arithmetic number, because the mean of its divisors is an integer number (5570928436).

Almost surely, 2^11141856871 is an apocalyptic number.

11141856871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11141856871 is an equidigital number, since it uses as much as digits as its factorization.

11141856871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 43.

The spelling of 11141856871 in words is "eleven billion, one hundred forty-one million, eight hundred fifty-six thousand, eight hundred seventy-one".