1117163775 has 96 divisors (see below), whose sum is σ = 2287853568. Its totient is φ = 468403200.

The previous prime is 1117163753. The next prime is 1117163813. The reversal of 1117163775 is 5773617111.

1117163775 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 33424²-1.

It is not a de Polignac number, because 1117163775 - 2¹³ = 1117155583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1303147 + ... + 1304003.

It is an arithmetic number, because the mean of its divisors is an integer number (23831808).

Almost surely, 2^1117163775 is an apocalyptic number.

1117163775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1117163775 is an abundant number, since it is smaller than the sum of its proper divisors (1170689793).

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

1117163775 is a wasteful number, since it uses less digits than its factorization.

1117163775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1076 counting only the distinct ones).

The product of its digits is 30870, while the sum is 39.

The square root of 1117163775 is about 33423.9999850407. Note that the first 4 decimals coincide. The cubic root of 1117163775 is about 1037.6214673674.

The spelling of 1117163775 in words is "one billion, one hundred seventeen million, one hundred sixty-three thousand, seven hundred seventy-five".