118302811 has 4 divisors (see below), whose sum is σ = 129057624. Its totient is φ = 107548000.

The previous prime is 118302799. The next prime is 118302829. The reversal of 118302811 is 118203811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118302811 - 2¹⁹ = 117778523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118302011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377390 + ... + 5377411.

It is an arithmetic number, because the mean of its divisors is an integer number (32264406).

Almost surely, 2^118302811 is an apocalyptic number.

118302811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118302811 is a deficient number, since it is larger than the sum of its proper divisors (10754813).

118302811 is a wasteful number, since it uses less digits than its factorization.

118302811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754812.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 118302811 is about 10876.7095667762. The cubic root of 118302811 is about 490.9060163596.

It can be divided in two parts, 11830 and 2811, that added together give a palindrome (14641).

The spelling of 118302811 in words is "one hundred eighteen million, three hundred two thousand, eight hundred eleven".