111500445240 has 256 divisors, whose sum is σ = 394206912000. Its totient is φ = 27936368640.

The previous prime is 111500445233. The next prime is 111500445293. The reversal of 111500445240 is 42544005111.

111500445240 is a `hidden beast` number, since 111 + 500 + 4 + 4 + 5 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11359935 + ... + 11369745.

It is an arithmetic number, because the mean of its divisors is an integer number (1539870750).

Almost surely, 2^111500445240 is an apocalyptic number.

111500445240 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 111500445240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197103456000).

111500445240 is an abundant number, since it is smaller than the sum of its proper divisors (282706466760).

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

111500445240 is a wasteful number, since it uses less digits than its factorization.

111500445240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467 (or 10457 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 111500445240 in words is "one hundred eleven billion, five hundred million, four hundred forty-five thousand, two hundred forty".