1139993311 has 2 divisors, whose sum is σ = 1139993312. Its totient is φ = 1139993310.

The previous prime is 1139993213. The next prime is 1139993389. The reversal of 1139993311 is 1133999311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139993311 - 2¹¹ = 1139991263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139993611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569996655 + 569996656.

It is an arithmetic number, because the mean of its divisors is an integer number (569996656).

Almost surely, 2^1139993311 is an apocalyptic number.

1139993311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139993311 is an equidigital number, since it uses as much as digits as its factorization.

1139993311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19683, while the sum is 40.

The square root of 1139993311 is about 33763.7869765819. The cubic root of 1139993311 is about 1044.6418836536.

The spelling of 1139993311 in words is "one billion, one hundred thirty-nine million, nine hundred ninety-three thousand, three hundred eleven".