118999453291 has 4 divisors (see below), whose sum is σ = 120052545912. Its totient is φ = 117946360672.

The previous prime is 118999453253. The next prime is 118999453357. The reversal of 118999453291 is 192354999811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 192354999811 = 13 ⋅14796538447.

It is a cyclic number.

It is not a de Polignac number, because 118999453291 - 2¹¹ = 118999451243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118999453201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526546141 + ... + 526546366.

It is an arithmetic number, because the mean of its divisors is an integer number (30013136478).

Almost surely, 2^118999453291 is an apocalyptic number.

118999453291 is a deficient number, since it is larger than the sum of its proper divisors (1053092621).

118999453291 is a wasteful number, since it uses less digits than its factorization.

118999453291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053092620.

The product of its digits is 6298560, while the sum is 61.

The spelling of 118999453291 in words is "one hundred eighteen billion, nine hundred ninety-nine million, four hundred fifty-three thousand, two hundred ninety-one".