7118778120 has 64 divisors (see below), whose sum is σ = 21433533120. Its totient is φ = 1891478784.

The previous prime is 7118778083. The next prime is 7118778137. The reversal of 7118778120 is 218778117.

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 15 ways as a sum of consecutive naturals, for example, 73842 + ... + 140321.

It is an arithmetic number, because the mean of its divisors is an integer number (334898955).

Almost surely, 2^7118778120 is an apocalyptic number.

It is an amenable number.

7118778120 is an abundant number, since it is smaller than the sum of its proper divisors (14314755000).

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

7118778120 is a wasteful number, since it uses less digits than its factorization.

7118778120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214454 (or 214450 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 42.

The square root of 7118778120 is about 84372.8517948753. The cubic root of 7118778120 is about 1923.6902876141.

The spelling of 7118778120 in words is "seven billion, one hundred eighteen million, seven hundred seventy-eight thousand, one hundred twenty".