6113536520 has 128 divisors (see below), whose sum is σ = 17821036800. Its totient is φ = 1832979456.

The previous prime is 6113536493. The next prime is 6113536523. The reversal of 6113536520 is 256353116.

It is not an unprimeable number, because it can be changed into a prime (6113536523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24962 + ... + 113358.

It is an arithmetic number, because the mean of its divisors is an integer number (139226850).

Almost surely, 2^6113536520 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 6113536520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8910518400).

6113536520 is an abundant number, since it is smaller than the sum of its proper divisors (11707500280).

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

6113536520 is a wasteful number, since it uses less digits than its factorization.

6113536520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88447 (or 88443 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 6113536520 is about 78189.1074255232. The cubic root of 6113536520 is about 1828.5106897026.

Adding to 6113536520 its reverse (256353116), we get a palindrome (6369889636).

The spelling of 6113536520 in words is "six billion, one hundred thirteen million, five hundred thirty-six thousand, five hundred twenty".