1111143139 has 2 divisors, whose sum is σ = 1111143140. Its totient is φ = 1111143138.

The previous prime is 1111143083. The next prime is 1111143169. The reversal of 1111143139 is 9313411111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111143139 - 2¹⁹ = 1110618851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111143169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555571569 + 555571570.

It is an arithmetic number, because the mean of its divisors is an integer number (555571570).

Almost surely, 2^1111143139 is an apocalyptic number.

1111143139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111143139 is an equidigital number, since it uses as much as digits as its factorization.

1111143139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 25.

The square root of 1111143139 is about 33333.8137482047. The cubic root of 1111143139 is about 1035.7541203654.

The spelling of 1111143139 in words is "one billion, one hundred eleven million, one hundred forty-three thousand, one hundred thirty-nine".