113204203644 has 192 divisors, whose sum is σ = 312947712000. Its totient is φ = 31185053952.

The previous prime is 113204203603. The next prime is 113204203649. The reversal of 113204203644 is 446302402311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113204203649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61289929 + ... + 61291775.

It is an arithmetic number, because the mean of its divisors is an integer number (1629936000).

Almost surely, 2^113204203644 is an apocalyptic number.

113204203644 is a gapful number since it is divisible by the number (14) 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 113204203644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156473856000).

113204203644 is an abundant number, since it is smaller than the sum of its proper divisors (199743508356).

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

113204203644 is a wasteful number, since it uses less digits than its factorization.

113204203644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 113204203644 its reverse (446302402311), we get a palindrome (559506605955).

The spelling of 113204203644 in words is "one hundred thirteen billion, two hundred four million, two hundred three thousand, six hundred forty-four".