113603388642 has 96 divisors (see below), whose sum is σ = 261513645120. Its totient is φ = 35541504000.

The previous prime is 113603388631. The next prime is 113603388643. The reversal of 113603388642 is 246883306311.

113603388642 is a `hidden beast` number, since 1 + 1 + 3 + 603 + 38 + 8 + 6 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (113603388643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16564078 + ... + 16570934.

It is an arithmetic number, because the mean of its divisors is an integer number (2724100470).

Almost surely, 2^113603388642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113603388642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130756822560).

113603388642 is an abundant number, since it is smaller than the sum of its proper divisors (147910256478).

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

113603388642 is a wasteful number, since it uses less digits than its factorization.

113603388642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328 (or 7325 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 113603388642 in words is "one hundred thirteen billion, six hundred three million, three hundred eighty-eight thousand, six hundred forty-two".