11124124731 has 48 divisors (see below), whose sum is σ = 17676921600. Its totient is φ = 6709766976.

The previous prime is 11124124729. The next prime is 11124124747. The reversal of 11124124731 is 13742142111.

It is a happy number.

11124124731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11124124731 - 2¹ = 11124124729 is a prime.

It is a super-2 number, since 2×11124124731² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11124124695 and 11124124704.

It is not an unprimeable number, because it can be changed into a prime (11124124831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3038380 + ... + 3042038.

It is an arithmetic number, because the mean of its divisors is an integer number (368269200).

Almost surely, 2^11124124731 is an apocalyptic number.

11124124731 is a deficient number, since it is larger than the sum of its proper divisors (6552796869).

11124124731 is a wasteful number, since it uses less digits than its factorization.

11124124731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480 (or 4477 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

Adding to 11124124731 its reverse (13742142111), we get a palindrome (24866266842).

The spelling of 11124124731 in words is "eleven billion, one hundred twenty-four million, one hundred twenty-four thousand, seven hundred thirty-one".