111378936680 has 96 divisors (see below), whose sum is σ = 277147634400. Its totient is φ = 40252671360.

The previous prime is 111378936659. The next prime is 111378936689. The reversal of 111378936680 is 86639873111.

It is not an unprimeable number, because it can be changed into a prime (111378936689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718331 + ... + 859509.

It is an arithmetic number, because the mean of its divisors is an integer number (2886954525).

Almost surely, 2^111378936680 is an apocalyptic number.

111378936680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111378936680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138573817200).

111378936680 is an abundant number, since it is smaller than the sum of its proper divisors (165768697720).

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

111378936680 is a wasteful number, since it uses less digits than its factorization.

111378936680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141375 (or 141360 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 111378936680 in words is "one hundred eleven billion, three hundred seventy-eight million, nine hundred thirty-six thousand, six hundred eighty".