113143221040 has 80 divisors (see below), whose sum is σ = 274623369408. Its totient is φ = 43269383168.

The previous prime is 113143221031. The next prime is 113143221091. The reversal of 113143221040 is 40122341311.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4279542 + ... + 4305898.

Almost surely, 2^113143221040 is an apocalyptic number.

113143221040 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 113143221040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137311684704).

113143221040 is an abundant number, since it is smaller than the sum of its proper divisors (161480148368).

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

113143221040 is a wasteful number, since it uses less digits than its factorization.

113143221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28726 (or 28720 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 113143221040 its reverse (40122341311), we get a palindrome (153265562351).

The spelling of 113143221040 in words is "one hundred thirteen billion, one hundred forty-three million, two hundred twenty-one thousand, forty".