1171140211 has 8 divisors (see below), whose sum is σ = 1178742240. Its totient is φ = 1163563008.

The previous prime is 1171140199. The next prime is 1171140239. The reversal of 1171140211 is 1120411711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1171140211 - 2⁷ = 1171140083 is a prime.

It is a super-2 number, since 2×1171140211² = 2743138787642249042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1171140011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93555 + ... + 105331.

It is an arithmetic number, because the mean of its divisors is an integer number (147342780).

Almost surely, 2^1171140211 is an apocalyptic number.

1171140211 is a deficient number, since it is larger than the sum of its proper divisors (7602029).

1171140211 is a wasteful number, since it uses less digits than its factorization.

1171140211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 1171140211 is about 34221.9258809319. The cubic root of 1171140211 is about 1054.0704317621.

Adding to 1171140211 its reverse (1120411711), we get a palindrome (2291551922).

The spelling of 1171140211 in words is "one billion, one hundred seventy-one million, one hundred forty thousand, two hundred eleven".