1135811022 has 16 divisors (see below), whose sum is σ = 2272499712. Its totient is φ = 378457400.

The previous prime is 1135810979. The next prime is 1135811059. The reversal of 1135811022 is 2201185311.

It is a junction number, because it is equal to n+sod(n) for n = 1135810983 and 1135811001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19104 + ... + 51347.

It is an arithmetic number, because the mean of its divisors is an integer number (142031232).

Almost surely, 2^1135811022 is an apocalyptic number.

1135811022 is an abundant number, since it is smaller than the sum of its proper divisors (1136688690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1135811022 is a wasteful number, since it uses less digits than its factorization.

1135811022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73143.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1135811022 is about 33701.7955308022. The cubic root of 1135811022 is about 1043.3628270222.

Adding to 1135811022 its reverse (2201185311), we get a palindrome (3336996333).

The spelling of 1135811022 in words is "one billion, one hundred thirty-five million, eight hundred eleven thousand, twenty-two".