6115612420 has 48 divisors (see below), whose sum is σ = 13287859200. Its totient is φ = 2361836160.

The previous prime is 6115612397. The next prime is 6115612427. The reversal of 6115612420 is 242165116.

It is not an unprimeable number, because it can be changed into a prime (6115612427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260946 + ... + 283414.

It is an arithmetic number, because the mean of its divisors is an integer number (276830400).

Almost surely, 2^6115612420 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 6115612420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6643929600).

6115612420 is an abundant number, since it is smaller than the sum of its proper divisors (7172246780).

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

6115612420 is a wasteful number, since it uses less digits than its factorization.

6115612420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22948 (or 22946 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 6115612420 is about 78202.3811657932. The cubic root of 6115612420 is about 1828.7176280695.

Adding to 6115612420 its reverse (242165116), we get a palindrome (6357777536).

The spelling of 6115612420 in words is "six billion, one hundred fifteen million, six hundred twelve thousand, four hundred twenty".