118911611 has 12 divisors (see below), whose sum is σ = 147158352. Its totient is φ = 94082976.

The previous prime is 118911601. The next prime is 118911623. The reversal of 118911611 is 116119811.

It is not a de Polignac number, because 118911611 - 2¹⁸ = 118649467 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118911601) 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, 49076 + ... + 51441.

It is an arithmetic number, because the mean of its divisors is an integer number (12263196).

Almost surely, 2^118911611 is an apocalyptic number.

118911611 is a deficient number, since it is larger than the sum of its proper divisors (28246741).

118911611 is a wasteful number, since it uses less digits than its factorization.

118911611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100550 (or 100537 counting only the distinct ones).

The product of its digits is 432, while the sum is 29.

The square root of 118911611 is about 10904.6600588923. The cubic root of 118911611 is about 491.7466624346.

The spelling of 118911611 in words is "one hundred eighteen million, nine hundred eleven thousand, six hundred eleven".