111379684280 has 16 divisors (see below), whose sum is σ = 250604289720. Its totient is φ = 44551873696.

The previous prime is 111379684279. The next prime is 111379684289. The reversal of 111379684280 is 82486973111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111379684289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392246014 + ... + 1392246093.

Almost surely, 2^111379684280 is an apocalyptic number.

111379684280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111379684280 is an abundant number, since it is smaller than the sum of its proper divisors (139224605440).

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

111379684280 is a wasteful number, since it uses less digits than its factorization.

111379684280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784492118 (or 2784492114 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 111379684280 in words is "one hundred eleven billion, three hundred seventy-nine million, six hundred eighty-four thousand, two hundred eighty".