1139109511 has 2 divisors, whose sum is σ = 1139109512. Its totient is φ = 1139109510.

The previous prime is 1139109479. The next prime is 1139109529. The reversal of 1139109511 is 1159019311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139109511 - 2⁵ = 1139109479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139109551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569554755 + 569554756.

It is an arithmetic number, because the mean of its divisors is an integer number (569554756).

Almost surely, 2^1139109511 is an apocalyptic number.

1139109511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139109511 is an equidigital number, since it uses as much as digits as its factorization.

1139109511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 31.

The square root of 1139109511 is about 33750.6964520734. The cubic root of 1139109511 is about 1044.3718548209.

The spelling of 1139109511 in words is "one billion, one hundred thirty-nine million, one hundred nine thousand, five hundred eleven".