111688867080 has 384 divisors, whose sum is σ = 429486520320. Its totient is φ = 24632709120.

The previous prime is 111688867079. The next prime is 111688867183. The reversal of 111688867080 is 80768886111.

It is a super-2 number, since 2×111688867080² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29136844 + ... + 29140676.

It is an arithmetic number, because the mean of its divisors is an integer number (1118454480).

Almost surely, 2^111688867080 is an apocalyptic number.

111688867080 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 111688867080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214743260160).

111688867080 is an abundant number, since it is smaller than the sum of its proper divisors (317797653240).

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

111688867080 is a wasteful number, since it uses less digits than its factorization.

111688867080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4254 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The spelling of 111688867080 in words is "one hundred eleven billion, six hundred eighty-eight million, eight hundred sixty-seven thousand, eighty".