1135785845909 has 16 divisors (see below), whose sum is σ = 1334489291520. Its totient is φ = 953007370560.

The previous prime is 1135785845897. The next prime is 1135785845951. The reversal of 1135785845909 is 9095485875311.

It is a cyclic number.

It is not a de Polignac number, because 1135785845909 - 2³² = 1131490878613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135745845909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973799 + ... + 1794395.

It is an arithmetic number, because the mean of its divisors is an integer number (83405580720).

Almost surely, 2^{1135785845909} is an apocalyptic number.

It is an amenable number.

1135785845909 is a deficient number, since it is larger than the sum of its proper divisors (198703445611).

1135785845909 is a wasteful number, since it uses less digits than its factorization.

1135785845909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830300.

The product of its (nonzero) digits is 54432000, while the sum is 65.

The spelling of 1135785845909 in words is "one trillion, one hundred thirty-five billion, seven hundred eighty-five million, eight hundred forty-five thousand, nine hundred nine".