111364487520 has 576 divisors, whose sum is σ = 430964561664. Its totient is φ = 23829442560.

The previous prime is 111364487477. The next prime is 111364487567. The reversal of 111364487520 is 25784463111.

It is a congruent number.

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, 36309027 + ... + 36312093.

It is an arithmetic number, because the mean of its divisors is an integer number (748202364).

Almost surely, 2^111364487520 is an apocalyptic number.

111364487520 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 111364487520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215482280832).

111364487520 is an abundant number, since it is smaller than the sum of its proper divisors (319600074144).

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

111364487520 is a wasteful number, since it uses less digits than its factorization.

111364487520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 111364487520 in words is "one hundred eleven billion, three hundred sixty-four million, four hundred eighty-seven thousand, five hundred twenty".