111500403020 has 24 divisors (see below), whose sum is σ = 234157119504. Its totient is φ = 44598966336.

The previous prime is 111500402989. The next prime is 111500403041. The reversal of 111500403020 is 20304005111.

111500403020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 111500403020.

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 7 ways as a sum of consecutive naturals, for example, 1426679 + ... + 1502801.

It is an arithmetic number, because the mean of its divisors is an integer number (9756546646).

Almost surely, 2^111500403020 is an apocalyptic number.

111500403020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111500403020 is an abundant number, since it is smaller than the sum of its proper divisors (122656716484).

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

111500403020 is a wasteful number, since it uses less digits than its factorization.

111500403020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149369 (or 149367 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 111500403020 its reverse (20304005111), we get a palindrome (131804408131).

The spelling of 111500403020 in words is "one hundred eleven billion, five hundred million, four hundred three thousand, twenty".