1135785845911 has 4 divisors (see below), whose sum is σ = 1135828413000. Its totient is φ = 1135743278824.

The previous prime is 1135785845897. The next prime is 1135785845951. The reversal of 1135785845911 is 1195485875311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1135785845911 - 2⁵ = 1135785845879 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 (1135785845951) 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, 21243496 + ... + 21296893.

It is an arithmetic number, because the mean of its divisors is an integer number (283957103250).

Almost surely, 2^{1135785845911} is an apocalyptic number.

1135785845911 is a deficient number, since it is larger than the sum of its proper divisors (42567089).

1135785845911 is an equidigital number, since it uses as much as digits as its factorization.

1135785845911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42567088.

The product of its digits is 6048000, while the sum is 58.

The spelling of 1135785845911 in words is "one trillion, one hundred thirty-five billion, seven hundred eighty-five million, eight hundred forty-five thousand, nine hundred eleven".