6115770420 has 96 divisors (see below), whose sum is σ = 17290627200. Its totient is φ = 1615079424.

The previous prime is 6115770413. The next prime is 6115770439. The reversal of 6115770420 is 240775116.

It is a congruent number.

It is an unprimeable number.

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, 5416416 + ... + 5417544.

It is an arithmetic number, because the mean of its divisors is an integer number (180110700).

Almost surely, 2^6115770420 is an apocalyptic number.

6115770420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6115770420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8645313600).

6115770420 is an abundant number, since it is smaller than the sum of its proper divisors (11174856780).

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

6115770420 is a wasteful number, since it uses less digits than its factorization.

6115770420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1935 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 6115770420 is about 78203.3913586873. The cubic root of 6115770420 is about 1828.7333765548.

The spelling of 6115770420 in words is "six billion, one hundred fifteen million, seven hundred seventy thousand, four hundred twenty".