1121526311 has 2 divisors, whose sum is σ = 1121526312. Its totient is φ = 1121526310.

The previous prime is 1121526293. The next prime is 1121526313. The reversal of 1121526311 is 1136251211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121526311 - 2⁶ = 1121526247 is a prime.

Together with 1121526313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121526313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560763155 + 560763156.

It is an arithmetic number, because the mean of its divisors is an integer number (560763156).

Almost surely, 2^1121526311 is an apocalyptic number.

1121526311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121526311 is an equidigital number, since it uses as much as digits as its factorization.

1121526311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 23.

The square root of 1121526311 is about 33489.1969297563. The cubic root of 1121526311 is about 1038.9703539071.

Adding to 1121526311 its reverse (1136251211), we get a palindrome (2257777522).

The spelling of 1121526311 in words is "one billion, one hundred twenty-one million, five hundred twenty-six thousand, three hundred eleven".