1134518742509 has 4 divisors (see below), whose sum is σ = 1134531831804. Its totient is φ = 1134505653216.

The previous prime is 1134518742499. The next prime is 1134518742517. The reversal of 1134518742509 is 9052478154311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47514408484 + 1087004334025 = 217978^2 + 1042595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134518742509 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 (1134518742589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6413762 + ... + 6588275.

It is an arithmetic number, because the mean of its divisors is an integer number (283632957951).

Almost surely, 2^{1134518742509} is an apocalyptic number.

It is an amenable number.

1134518742509 is a deficient number, since it is larger than the sum of its proper divisors (13089295).

1134518742509 is an equidigital number, since it uses as much as digits as its factorization.

1134518742509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089294.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 1134518742509 in words is "one trillion, one hundred thirty-four billion, five hundred eighteen million, seven hundred forty-two thousand, five hundred nine".