113215043520 has 448 divisors, whose sum is σ = 409752881280. Its totient is φ = 29417472000.

The previous prime is 113215043503. The next prime is 113215043573. The reversal of 113215043520 is 25340512311.

113215043520 is a `hidden beast` number, since 1 + 13 + 215 + 0 + 435 + 2 + 0 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59554570 + ... + 59556470.

Almost surely, 2^113215043520 is an apocalyptic number.

113215043520 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 113215043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204876440640).

113215043520 is an abundant number, since it is smaller than the sum of its proper divisors (296537837760).

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

113215043520 is a wasteful number, since it uses less digits than its factorization.

113215043520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 113215043520 its reverse (25340512311), we get a palindrome (138555555831).

The spelling of 113215043520 in words is "one hundred thirteen billion, two hundred fifteen million, forty-three thousand, five hundred twenty".