1165670011 has 8 divisors (see below), whose sum is σ = 1286961984. Its totient is φ = 1046931720.

The previous prime is 1165669997. The next prime is 1165670039. The reversal of 1165670011 is 1100765611.

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 1165670011 - 2⁵ = 1165669979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1165670111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637461 + ... + 639286.

It is an arithmetic number, because the mean of its divisors is an integer number (160870248).

Almost surely, 2^1165670011 is an apocalyptic number.

1165670011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1165670011 is a deficient number, since it is larger than the sum of its proper divisors (121291973).

1165670011 is a wasteful number, since it uses less digits than its factorization.

1165670011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276841.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1165670011 is about 34141.9098909244. The cubic root of 1165670011 is about 1052.4267410827.

It can be divided in two parts, 1165 and 670011, that added together give a palindrome (671176).

The spelling of 1165670011 in words is "one billion, one hundred sixty-five million, six hundred seventy thousand, eleven".