10118645978 has 8 divisors (see below), whose sum is σ = 17346250272. Its totient is φ = 4336562556.

The previous prime is 10118645897. The next prime is 10118645987. The reversal of 10118645978 is 87954681101.

It is a happy number.

10118645978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 361380200 + ... + 361380227.

It is an arithmetic number, because the mean of its divisors is an integer number (2168281284).

Almost surely, 2^10118645978 is an apocalyptic number.

10118645978 is a deficient number, since it is larger than the sum of its proper divisors (7227604294).

10118645978 is an equidigital number, since it uses as much as digits as its factorization.

10118645978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722760436.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 10118645978 in words is "ten billion, one hundred eighteen million, six hundred forty-five thousand, nine hundred seventy-eight".