1152111313 has 2 divisors, whose sum is σ = 1152111314. Its totient is φ = 1152111312.

The previous prime is 1152111299. The next prime is 1152111383. The reversal of 1152111313 is 3131112511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693637569 + 458473744 = 26337^2 + 21412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152111313 - 2⁵ = 1152111281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1152111383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576055656 + 576055657.

It is an arithmetic number, because the mean of its divisors is an integer number (576055657).

Almost surely, 2^1152111313 is an apocalyptic number.

It is an amenable number.

1152111313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152111313 is an equidigital number, since it uses as much as digits as its factorization.

1152111313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 19.

The square root of 1152111313 is about 33942.7652527015. The cubic root of 1152111313 is about 1048.3303207844.

Adding to 1152111313 its reverse (3131112511), we get a palindrome (4283223824).

The spelling of 1152111313 in words is "one billion, one hundred fifty-two million, one hundred eleven thousand, three hundred thirteen".