143138831611 has 2 divisors, whose sum is σ = 143138831612. Its totient is φ = 143138831610.

The previous prime is 143138831599. The next prime is 143138831617. The reversal of 143138831611 is 116138831341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143138831611 - 2⁷ = 143138831483 is a prime.

It is a super-2 number, since 2×143138831611² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143138831617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71569415805 + 71569415806.

It is an arithmetic number, because the mean of its divisors is an integer number (71569415806).

Almost surely, 2^143138831611 is an apocalyptic number.

143138831611 is a deficient number, since it is larger than the sum of its proper divisors (1).

143138831611 is an equidigital number, since it uses as much as digits as its factorization.

143138831611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The spelling of 143138831611 in words is "one hundred forty-three billion, one hundred thirty-eight million, eight hundred thirty-one thousand, six hundred eleven".