1151166111 has 8 divisors (see below), whose sum is σ = 1539793200. Its totient is φ = 764991552.

The previous prime is 1151166073. The next prime is 1151166119. The reversal of 1151166111 is 1116611511.

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

It is not a de Polignac number, because 1151166111 - 2¹⁰ = 1151165087 is a prime.

It is a super-4 number, since 4×1151166111⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151166119) 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, 612036 + ... + 613913.

It is an arithmetic number, because the mean of its divisors is an integer number (192474150).

Almost surely, 2^1151166111 is an apocalyptic number.

1151166111 is a deficient number, since it is larger than the sum of its proper divisors (388627089).

1151166111 is a wasteful number, since it uses less digits than its factorization.

1151166111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226265.

The product of its digits is 180, while the sum is 24.

The square root of 1151166111 is about 33928.8389279680. The cubic root of 1151166111 is about 1048.0435559540.

Adding to 1151166111 its reverse (1116611511), we get a palindrome (2267777622).

The spelling of 1151166111 in words is "one billion, one hundred fifty-one million, one hundred sixty-six thousand, one hundred eleven".