1350511111 has 2 divisors, whose sum is σ = 1350511112. Its totient is φ = 1350511110.

The previous prime is 1350511091. The next prime is 1350511133. The reversal of 1350511111 is 1111150531.

It is a weak prime.

It is an emirp because it is prime and its reverse (1111150531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1350511111 - 2⁷ = 1350510983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350511181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675255555 + 675255556.

It is an arithmetic number, because the mean of its divisors is an integer number (675255556).

Almost surely, 2^1350511111 is an apocalyptic number.

1350511111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350511111 is an equidigital number, since it uses as much as digits as its factorization.

1350511111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75, while the sum is 19.

The square root of 1350511111 is about 36749.3008232810. The cubic root of 1350511111 is about 1105.3489096991.

Adding to 1350511111 its reverse (1111150531), we get a palindrome (2461661642).

The spelling of 1350511111 in words is "one billion, three hundred fifty million, five hundred eleven thousand, one hundred eleven".