11123031441 has 16 divisors (see below), whose sum is σ = 15015168000. Its totient is φ = 7323193680.

The previous prime is 11123031383. The next prime is 11123031457. The reversal of 11123031441 is 14413032111.

It is not a de Polignac number, because 11123031441 - 2⁷ = 11123031313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123030441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787560 + ... + 801558.

It is an arithmetic number, because the mean of its divisors is an integer number (938448000).

Almost surely, 2^11123031441 is an apocalyptic number.

It is an amenable number.

11123031441 is a deficient number, since it is larger than the sum of its proper divisors (3892136559).

11123031441 is a wasteful number, since it uses less digits than its factorization.

11123031441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17276.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11123031441 its reverse (14413032111), we get a palindrome (25536063552).

The spelling of 11123031441 in words is "eleven billion, one hundred twenty-three million, thirty-one thousand, four hundred forty-one".