112605194520 has 512 divisors, whose sum is σ = 463083264000. Its totient is φ = 23701248000.

The previous prime is 112605194501. The next prime is 112605194549. The reversal of 112605194520 is 25491506211.

112605194520 is a `hidden beast` number, since 1 + 1 + 2 + 605 + 1 + 9 + 45 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 50023395 + ... + 50025645.

It is an arithmetic number, because the mean of its divisors is an integer number (904459500).

Almost surely, 2^112605194520 is an apocalyptic number.

112605194520 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 112605194520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231541632000).

112605194520 is an abundant number, since it is smaller than the sum of its proper divisors (350478069480).

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

112605194520 is a wasteful number, since it uses less digits than its factorization.

112605194520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 112605194520 in words is "one hundred twelve billion, six hundred five million, one hundred ninety-four thousand, five hundred twenty".