5115544620 has 48 divisors (see below), whose sum is σ = 14378031360. Its totient is φ = 1358954176.

The previous prime is 5115544597. The next prime is 5115544649. The reversal of 5115544620 is 264455115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146310 + ... + 177869.

It is an arithmetic number, because the mean of its divisors is an integer number (299542320).

Almost surely, 2^5115544620 is an apocalyptic number.

It is an amenable number.

5115544620 is an abundant number, since it is smaller than the sum of its proper divisors (9262486740).

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

5115544620 is a wasteful number, since it uses less digits than its factorization.

5115544620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324454 (or 324452 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 5115544620 is about 71523.0355899412. The cubic root of 5115544620 is about 1723.0476681272.

Adding to 5115544620 its reverse (264455115), we get a palindrome (5379999735).

The spelling of 5115544620 in words is "five billion, one hundred fifteen million, five hundred forty-four thousand, six hundred twenty".