113042005000 has 80 divisors (see below), whose sum is σ = 265723753680. Its totient is φ = 45068904000.

The previous prime is 113042004967. The next prime is 113042005001. The reversal of 113042005000 is 500240311.

It is a super-3 number, since 3×113042005000³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (113042005001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1498179 + ... + 1571821.

It is an arithmetic number, because the mean of its divisors is an integer number (3321546921).

Almost surely, 2^113042005000 is an apocalyptic number.

113042005000 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 113042005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132861876840).

113042005000 is an abundant number, since it is smaller than the sum of its proper divisors (152681748680).

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

113042005000 is an equidigital number, since it uses as much as digits as its factorization.

113042005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73976 (or 73957 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 113042005000 its reverse (500240311), we get a palindrome (113542245311).

The spelling of 113042005000 in words is "one hundred thirteen billion, forty-two million, five thousand".