1126132311 has 4 divisors (see below), whose sum is σ = 1501509752. Its totient is φ = 750754872.

The previous prime is 1126132277. The next prime is 1126132313. The reversal of 1126132311 is 1132316211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1126132311 - 2⁶ = 1126132247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126132313) 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 in 3 ways as a sum of consecutive naturals, for example, 187688716 + ... + 187688721.

It is an arithmetic number, because the mean of its divisors is an integer number (375377438).

Almost surely, 2^1126132311 is an apocalyptic number.

1126132311 is a deficient number, since it is larger than the sum of its proper divisors (375377441).

1126132311 is an equidigital number, since it uses as much as digits as its factorization.

1126132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375377440.

The product of its digits is 216, while the sum is 21.

The square root of 1126132311 is about 33557.8949131199. The cubic root of 1126132311 is about 1040.3907281234.

Adding to 1126132311 its reverse (1132316211), we get a palindrome (2258448522).

The spelling of 1126132311 in words is "one billion, one hundred twenty-six million, one hundred thirty-two thousand, three hundred eleven".