1113440441 has 4 divisors (see below), whose sum is σ = 1113507984. Its totient is φ = 1113372900.

The previous prime is 1113440431. The next prime is 1113440443. The reversal of 1113440441 is 1440443111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1113440441 - 2²² = 1109246137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113440443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9086 + ... + 48056.

It is an arithmetic number, because the mean of its divisors is an integer number (278376996).

Almost surely, 2^1113440441 is an apocalyptic number.

It is an amenable number.

1113440441 is a deficient number, since it is larger than the sum of its proper divisors (67543).

1113440441 is an equidigital number, since it uses as much as digits as its factorization.

1113440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67542.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1113440441 is about 33368.2549888363. The cubic root of 1113440441 is about 1036.4674404197.

Adding to 1113440441 its reverse (1440443111), we get a palindrome (2553883552).

The spelling of 1113440441 in words is "one billion, one hundred thirteen million, four hundred forty thousand, four hundred forty-one".