118453379851 has 4 divisors (see below), whose sum is σ = 118776141472. Its totient is φ = 118130618232.

The previous prime is 118453379833. The next prime is 118453379857. The reversal of 118453379851 is 158973354811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158973354811 = 45887 ⋅3464453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118453379851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118453379792 and 118453379801.

It is not an unprimeable number, because it can be changed into a prime (118453379857) 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 3 ways as a sum of consecutive naturals, for example, 161380260 + ... + 161380993.

It is an arithmetic number, because the mean of its divisors is an integer number (29694035368).

Almost surely, 2^118453379851 is an apocalyptic number.

118453379851 is a deficient number, since it is larger than the sum of its proper divisors (322761621).

118453379851 is an equidigital number, since it uses as much as digits as its factorization.

118453379851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322761620.

The product of its digits is 3628800, while the sum is 55.

The spelling of 118453379851 in words is "one hundred eighteen billion, four hundred fifty-three million, three hundred seventy-nine thousand, eight hundred fifty-one".