111359930880 has 320 divisors, whose sum is σ = 390798701568. Its totient is φ = 26827407360.

The previous prime is 111359930879. The next prime is 111359930881. The reversal of 111359930880 is 88039953111.

It is an interprime number because it is at equal distance from previous prime (111359930879) and next prime (111359930881).

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (111359930881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13766197 + ... + 13774283.

Almost surely, 2^111359930880 is an apocalyptic number.

111359930880 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 111359930880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195399350784).

111359930880 is an abundant number, since it is smaller than the sum of its proper divisors (279438770688).

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

111359930880 is a wasteful number, since it uses less digits than its factorization.

111359930880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8287 (or 8271 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 111359930880 in words is "one hundred eleven billion, three hundred fifty-nine million, nine hundred thirty thousand, eight hundred eighty".