113240021004 has 96 divisors (see below), whose sum is σ = 321793409280. Its totient is φ = 34152451200.

The previous prime is 113240020987. The next prime is 113240021017. The reversal of 113240021004 is 400120042311.

It is a super-3 number, since 3×113240021004³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24792 + ... + 476544.

It is an arithmetic number, because the mean of its divisors is an integer number (3352014680).

Almost surely, 2^113240021004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113240021004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160896704640).

113240021004 is an abundant number, since it is smaller than the sum of its proper divisors (208553388276).

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

113240021004 is a wasteful number, since it uses less digits than its factorization.

113240021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451988 (or 451980 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 113240021004 its reverse (400120042311), we get a palindrome (513360063315).

The spelling of 113240021004 in words is "one hundred thirteen billion, two hundred forty million, twenty-one thousand, four".