1131126323539 has 2 divisors, whose sum is σ = 1131126323540. Its totient is φ = 1131126323538.

The previous prime is 1131126323531. The next prime is 1131126323557. The reversal of 1131126323539 is 9353236211311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131126323539 - 2³ = 1131126323531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131126323531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565563161769 + 565563161770.

It is an arithmetic number, because the mean of its divisors is an integer number (565563161770).

Almost surely, 2^{1131126323539} is an apocalyptic number.

1131126323539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131126323539 is an equidigital number, since it uses as much as digits as its factorization.

1131126323539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The spelling of 1131126323539 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-six million, three hundred twenty-three thousand, five hundred thirty-nine".