113252421444 has 12 divisors (see below), whose sum is σ = 264255650064. Its totient is φ = 37750807144.

The previous prime is 113252421437. The next prime is 113252421463. The reversal of 113252421444 is 444124252311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×113252421444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718850882 + ... + 4718850905.

It is an arithmetic number, because the mean of its divisors is an integer number (22021304172).

Almost surely, 2^113252421444 is an apocalyptic number.

It is an amenable number.

113252421444 is an abundant number, since it is smaller than the sum of its proper divisors (151003228620).

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

113252421444 is a wasteful number, since it uses less digits than its factorization.

113252421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437701794 (or 9437701792 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

Adding to 113252421444 its reverse (444124252311), we get a palindrome (557376673755).

The spelling of 113252421444 in words is "one hundred thirteen billion, two hundred fifty-two million, four hundred twenty-one thousand, four hundred forty-four".