1171110993 has 16 divisors (see below), whose sum is σ = 1701860160. Its totient is φ = 711998784.

The previous prime is 1171110989. The next prime is 1171111009. The reversal of 1171110993 is 3990111711.

It is not a de Polignac number, because 1171110993 - 2² = 1171110989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1171110953) 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, 177658 + ... + 184131.

It is an arithmetic number, because the mean of its divisors is an integer number (106366260).

Almost surely, 2^1171110993 is an apocalyptic number.

1171110993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1171110993 is a deficient number, since it is larger than the sum of its proper divisors (530749167).

1171110993 is a wasteful number, since it uses less digits than its factorization.

1171110993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361888.

The product of its (nonzero) digits is 1701, while the sum is 33.

The square root of 1171110993 is about 34221.4989882092. The cubic root of 1171110993 is about 1054.0616659212.

The spelling of 1171110993 in words is "one billion, one hundred seventy-one million, one hundred ten thousand, nine hundred ninety-three".