5122111544 has 32 divisors (see below), whose sum is σ = 10838329200. Its totient is φ = 2247947520.

The previous prime is 5122111529. The next prime is 5122111571. The reversal of 5122111544 is 4451112215.

It is a happy number.

It is a congruent number.

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, 1000997 + ... + 1006100.

Almost surely, 2^5122111544 is an apocalyptic number.

It is an amenable number.

5122111544 is an abundant number, since it is smaller than the sum of its proper divisors (5716217656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5122111544 is a wasteful number, since it uses less digits than its factorization.

5122111544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007143 (or 2007139 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 5122111544 is about 71568.9286212949. The cubic root of 5122111544 is about 1723.7846561093.

Adding to 5122111544 its reverse (4451112215), we get a palindrome (9573223759).

The spelling of 5122111544 in words is "five billion, one hundred twenty-two million, one hundred eleven thousand, five hundred forty-four".