78015188120 has 16 divisors (see below), whose sum is σ = 175534173360. Its totient is φ = 31206075232.

The previous prime is 78015188117. The next prime is 78015188137. The reversal of 78015188120 is 2188151087.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975189812 + ... + 975189891.

It is an arithmetic number, because the mean of its divisors is an integer number (10970885835).

Almost surely, 2^78015188120 is an apocalyptic number.

It is an amenable number.

78015188120 is an abundant number, since it is smaller than the sum of its proper divisors (97518985240).

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

78015188120 is a wasteful number, since it uses less digits than its factorization.

78015188120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950379714 (or 1950379710 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 41.

The spelling of 78015188120 in words is "seventy-eight billion, fifteen million, one hundred eighty-eight thousand, one hundred twenty".