118860518543 has 4 divisors (see below), whose sum is σ = 128003635368. Its totient is φ = 109717401720.

The previous prime is 118860518521. The next prime is 118860518561. The reversal of 118860518543 is 345815068811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345815068811 = 42061 ⋅8221751.

It is a cyclic number.

It is not a de Polignac number, because 118860518543 - 2¹⁰ = 118860517519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118860518491 and 118860518500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118860518563) 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, 4571558393 + ... + 4571558418.

It is an arithmetic number, because the mean of its divisors is an integer number (32000908842).

Almost surely, 2^118860518543 is an apocalyptic number.

118860518543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

118860518543 is a deficient number, since it is larger than the sum of its proper divisors (9143116825).

118860518543 is an equidigital number, since it uses as much as digits as its factorization.

118860518543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143116824.

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 118860518543 in words is "one hundred eighteen billion, eight hundred sixty million, five hundred eighteen thousand, five hundred forty-three".