118628111 has 4 divisors (see below), whose sum is σ = 135574992. Its totient is φ = 101681232.

The previous prime is 118628093. The next prime is 118628131. The reversal of 118628111 is 111826811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111826811 = 263 ⋅425197.

It is a cyclic number.

It is not a de Polignac number, because 118628111 - 2¹⁰ = 118627087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118628131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8473430 + ... + 8473443.

It is an arithmetic number, because the mean of its divisors is an integer number (33893748).

Almost surely, 2^118628111 is an apocalyptic number.

118628111 is a deficient number, since it is larger than the sum of its proper divisors (16946881).

118628111 is an equidigital number, since it uses as much as digits as its factorization.

118628111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946880.

The product of its digits is 768, while the sum is 29.

The square root of 118628111 is about 10891.6532721162. The cubic root of 118628111 is about 491.3555564835.

The spelling of 118628111 in words is "one hundred eighteen million, six hundred twenty-eight thousand, one hundred eleven".