1111444241 has 4 divisors (see below), whose sum is σ = 1176823332. Its totient is φ = 1046065152.

The previous prime is 1111444219. The next prime is 1111444259. The reversal of 1111444241 is 1424441111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1424441111 = 29 ⋅49118659.

It can be written as a sum of positive squares in 2 ways, for example, as 768453841 + 342990400 = 27721^2 + 18520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111444241 - 2²⁶ = 1044335377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111444211) 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, 32689520 + ... + 32689553.

It is an arithmetic number, because the mean of its divisors is an integer number (294205833).

Almost surely, 2^1111444241 is an apocalyptic number.

It is an amenable number.

1111444241 is a deficient number, since it is larger than the sum of its proper divisors (65379091).

1111444241 is an equidigital number, since it uses as much as digits as its factorization.

1111444241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65379090.

The product of its digits is 512, while the sum is 23.

The square root of 1111444241 is about 33338.3299071804. The cubic root of 1111444241 is about 1035.8476695102.

Adding to 1111444241 its reverse (1424441111), we get a palindrome (2535885352).

It can be divided in two parts, 11114 and 44241, that added together give a palindrome (55355).

The spelling of 1111444241 in words is "one billion, one hundred eleven million, four hundred forty-four thousand, two hundred forty-one".