6118513878 has 16 divisors (see below), whose sum is σ = 12237802416. Its totient is φ = 2039375520.

The previous prime is 6118513867. The next prime is 6118513913. The reversal of 6118513878 is 8783158116.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147000 + ... + 183972.

It is an arithmetic number, because the mean of its divisors is an integer number (764862651).

Almost surely, 2^6118513878 is an apocalyptic number.

6118513878 is an abundant number, since it is smaller than the sum of its proper divisors (6119288538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6118513878 is a wasteful number, since it uses less digits than its factorization.

6118513878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64559.

The product of its digits is 322560, while the sum is 48.

The square root of 6118513878 is about 78220.9299228793. The cubic root of 6118513878 is about 1829.0067846380.

The spelling of 6118513878 in words is "six billion, one hundred eighteen million, five hundred thirteen thousand, eight hundred seventy-eight".