1166119911 has 12 divisors (see below), whose sum is σ = 1837522440. Its totient is φ = 706739280.

The previous prime is 1166119907. The next prime is 1166119921. The reversal of 1166119911 is 1199116611.

It is not a de Polignac number, because 1166119911 - 2² = 1166119907 is a prime.

1166119911 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166119921) 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, 5889396 + ... + 5889593.

It is an arithmetic number, because the mean of its divisors is an integer number (153126870).

Almost surely, 2^1166119911 is an apocalyptic number.

1166119911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1166119911 is a deficient number, since it is larger than the sum of its proper divisors (671402529).

1166119911 is a wasteful number, since it uses less digits than its factorization.

1166119911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11779006 (or 11779003 counting only the distinct ones).

The product of its digits is 2916, while the sum is 36.

The square root of 1166119911 is about 34148.4979318271. The cubic root of 1166119911 is about 1052.5621212744.

The spelling of 1166119911 in words is "one billion, one hundred sixty-six million, one hundred nineteen thousand, nine hundred eleven".