1378111180 has 12 divisors (see below), whose sum is σ = 2894033520. Its totient is φ = 551244464.

The previous prime is 1378111159. The next prime is 1378111181. The reversal of 1378111180 is 811118731.

It is not an unprimeable number, because it can be changed into a prime (1378111181) by changing a digit.

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, 34452760 + ... + 34452799.

It is an arithmetic number, because the mean of its divisors is an integer number (241169460).

Almost surely, 2^1378111180 is an apocalyptic number.

1378111180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378111180 is an abundant number, since it is smaller than the sum of its proper divisors (1515922340).

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

1378111180 is a wasteful number, since it uses less digits than its factorization.

1378111180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68905568 (or 68905566 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 31.

The square root of 1378111180 is about 37122.9198743849. The cubic root of 1378111180 is about 1112.8281047137.

The spelling of 1378111180 in words is "one billion, three hundred seventy-eight million, one hundred eleven thousand, one hundred eighty".