113204205642 has 64 divisors (see below), whose sum is σ = 256205721600. Its totient is φ = 33030943680.

The previous prime is 113204205641. The next prime is 113204205649. The reversal of 113204205642 is 246502402311.

It is not an unprimeable number, because it can be changed into a prime (113204205641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621859 + ... + 783017.

It is an arithmetic number, because the mean of its divisors is an integer number (4003214400).

Almost surely, 2^113204205642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113204205642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128102860800).

113204205642 is an abundant number, since it is smaller than the sum of its proper divisors (143001515958).

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

113204205642 is a wasteful number, since it uses less digits than its factorization.

113204205642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161571.

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

Adding to 113204205642 its reverse (246502402311), we get a palindrome (359706607953).

The spelling of 113204205642 in words is "one hundred thirteen billion, two hundred four million, two hundred five thousand, six hundred forty-two".