111032981388 has 240 divisors, whose sum is σ = 341206835200. Its totient is φ = 31469915232.

The previous prime is 111032981369. The next prime is 111032981429. The reversal of 111032981388 is 883189230111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14109831 + ... + 14117697.

Almost surely, 2^111032981388 is an apocalyptic number.

111032981388 is a gapful number since it is divisible by the number (18) 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 111032981388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170603417600).

111032981388 is an abundant number, since it is smaller than the sum of its proper divisors (230173853812).

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

111032981388 is a wasteful number, since it uses less digits than its factorization.

111032981388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031 (or 8006 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 111032981388 in words is "one hundred eleven billion, thirty-two million, nine hundred eighty-one thousand, three hundred eighty-eight".