11115031244 has 24 divisors (see below), whose sum is σ = 20330227680. Its totient is φ = 5307185664.

The previous prime is 11115031229. The next prime is 11115031283. The reversal of 11115031244 is 44213051111.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42149 + ... + 154940.

It is an arithmetic number, because the mean of its divisors is an integer number (847092820).

Almost surely, 2^11115031244 is an apocalyptic number.

It is an amenable number.

11115031244 is a deficient number, since it is larger than the sum of its proper divisors (9215196436).

11115031244 is a wasteful number, since it uses less digits than its factorization.

11115031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197729 (or 197727 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 11115031244 its reverse (44213051111), we get a palindrome (55328082355).

The spelling of 11115031244 in words is "eleven billion, one hundred fifteen million, thirty-one thousand, two hundred forty-four".