118813851 has 32 divisors (see below), whose sum is σ = 192198720. Its totient is φ = 72099072.

The previous prime is 118813829. The next prime is 118813921. The reversal of 118813851 is 158318811.

It is a happy number.

It is not a de Polignac number, because 118813851 - 2¹⁸ = 118551707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118813801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23305 + ... + 27941.

It is an arithmetic number, because the mean of its divisors is an integer number (6006210).

Almost surely, 2^118813851 is an apocalyptic number.

118813851 is a deficient number, since it is larger than the sum of its proper divisors (73384869).

118813851 is a wasteful number, since it uses less digits than its factorization.

118813851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732 (or 4726 counting only the distinct ones).

The product of its digits is 7680, while the sum is 36.

The square root of 118813851 is about 10900.1766499447. The cubic root of 118813851 is about 491.6118667003.

The spelling of 118813851 in words is "one hundred eighteen million, eight hundred thirteen thousand, eight hundred fifty-one".