143111391811 has 2 divisors, whose sum is σ = 143111391812. Its totient is φ = 143111391810.

The previous prime is 143111391803. The next prime is 143111391847. The reversal of 143111391811 is 118193111341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143111391811 - 2³ = 143111391803 is a prime.

It is not a weakly prime, because it can be changed into another prime (143111391611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71555695905 + 71555695906.

It is an arithmetic number, because the mean of its divisors is an integer number (71555695906).

Almost surely, 2^143111391811 is an apocalyptic number.

143111391811 is a deficient number, since it is larger than the sum of its proper divisors (1).

143111391811 is an equidigital number, since it uses as much as digits as its factorization.

143111391811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 34.

The spelling of 143111391811 in words is "one hundred forty-three billion, one hundred eleven million, three hundred ninety-one thousand, eight hundred eleven".