1116355775 has 12 divisors (see below), whose sum is σ = 1384976832. Its totient is φ = 892635840.

The previous prime is 1116355769. The next prime is 1116355777. The reversal of 1116355775 is 5775536111.

It is not a de Polignac number, because 1116355775 - 2⁸ = 1116355519 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 (1116355777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45059 + ... + 65291.

It is an arithmetic number, because the mean of its divisors is an integer number (115414736).

Almost surely, 2^1116355775 is an apocalyptic number.

1116355775 is a deficient number, since it is larger than the sum of its proper divisors (268621057).

1116355775 is a wasteful number, since it uses less digits than its factorization.

1116355775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22450 (or 22445 counting only the distinct ones).

The product of its digits is 110250, while the sum is 41.

The square root of 1116355775 is about 33411.9106756857. The cubic root of 1116355775 is about 1037.3712502932.

The spelling of 1116355775 in words is "one billion, one hundred sixteen million, three hundred fifty-five thousand, seven hundred seventy-five".