143391389611 has 2 divisors, whose sum is σ = 143391389612. Its totient is φ = 143391389610.

The previous prime is 143391389551. The next prime is 143391389639. The reversal of 143391389611 is 116983193341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143391389611 - 2³¹ = 141243905963 is a prime.

It is a super-2 number, since 2×143391389611² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143391389641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71695694805 + 71695694806.

It is an arithmetic number, because the mean of its divisors is an integer number (71695694806).

Almost surely, 2^143391389611 is an apocalyptic number.

143391389611 is a deficient number, since it is larger than the sum of its proper divisors (1).

143391389611 is an equidigital number, since it uses as much as digits as its factorization.

143391389611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 49.

The spelling of 143391389611 in words is "one hundred forty-three billion, three hundred ninety-one million, three hundred eighty-nine thousand, six hundred eleven".