113011444 has 72 divisors (see below), whose sum is σ = 262430280. Its totient is φ = 42061824.

The previous prime is 113011441. The next prime is 113011447. The reversal of 113011444 is 444110311.

It is an interprime number because it is at equal distance from previous prime (113011441) and next prime (113011447).

It can be written as a sum of positive squares in 4 ways, for example, as 12250000 + 100761444 = 3500^2 + 10038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42012 + ... + 44620.

It is an arithmetic number, because the mean of its divisors is an integer number (3644865).

Almost surely, 2^113011444 is an apocalyptic number.

113011444 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 113011444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131215140).

113011444 is an abundant number, since it is smaller than the sum of its proper divisors (149418836).

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

113011444 is a wasteful number, since it uses less digits than its factorization.

113011444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 113011444 is about 10630.6840795877. The cubic root of 113011444 is about 483.4751328170.

Adding to 113011444 its reverse (444110311), we get a palindrome (557121755).

The spelling of 113011444 in words is "one hundred thirteen million, eleven thousand, four hundred forty-four".