5112231540 has 192 divisors, whose sum is σ = 15911073024. Its totient is φ = 1218281472.

The previous prime is 5112231511. The next prime is 5112231541. The reversal of 5112231540 is 451322115.

It is a happy number.

It is a super-2 number, since 2×5112231540² = 52269822637141543200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5112231540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5112231541) 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 63 ways as a sum of consecutive naturals, for example, 8859732 + ... + 8860308.

It is an arithmetic number, because the mean of its divisors is an integer number (82870172).

Almost surely, 2^5112231540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5112231540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7955536512).

5112231540 is an abundant number, since it is smaller than the sum of its proper divisors (10798841484).

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

5112231540 is a wasteful number, since it uses less digits than its factorization.

5112231540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5112231540 is about 71499.8709089744. The cubic root of 5112231540 is about 1722.6756107983.

Adding to 5112231540 its reverse (451322115), we get a palindrome (5563553655).

The spelling of 5112231540 in words is "five billion, one hundred twelve million, two hundred thirty-one thousand, five hundred forty".