5121116340 has 24 divisors (see below), whose sum is σ = 14339125920. Its totient is φ = 1365631008.

The previous prime is 5121116339. The next prime is 5121116369. The reversal of 5121116340 is 436111215.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5121116340.

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, 42675910 + ... + 42676029.

It is an arithmetic number, because the mean of its divisors is an integer number (597463580).

Almost surely, 2^5121116340 is an apocalyptic number.

It is an amenable number.

5121116340 is an abundant number, since it is smaller than the sum of its proper divisors (9218009580).

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

5121116340 is a wasteful number, since it uses less digits than its factorization.

5121116340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85351951 (or 85351949 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5121116340 is about 71561.9755177287. The cubic root of 5121116340 is about 1723.6730075904.

Adding to 5121116340 its reverse (436111215), we get a palindrome (5557227555).

The spelling of 5121116340 in words is "five billion, one hundred twenty-one million, one hundred sixteen thousand, three hundred forty".