113224642500 has 120 divisors (see below), whose sum is σ = 334656850528. Its totient is φ = 29779488000.

The previous prime is 113224642499. The next prime is 113224642507. The reversal of 113224642500 is 5246422311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (113224642507) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 444099 + ... + 650901.

Almost surely, 2^113224642500 is an apocalyptic number.

113224642500 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 113224642500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167328425264).

113224642500 is an abundant number, since it is smaller than the sum of its proper divisors (221432208028).

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

113224642500 is a wasteful number, since it uses less digits than its factorization.

113224642500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206903 (or 206886 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 113224642500 in words is "one hundred thirteen billion, two hundred twenty-four million, six hundred forty-two thousand, five hundred".