6115881984 has 88 divisors (see below), whose sum is σ = 16326216960. Its totient is φ = 2035482624.

The previous prime is 6115881983. The next prime is 6115882037. The reversal of 6115881984 is 4891885116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6115881983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2852817 + ... + 2854959.

Almost surely, 2^6115881984 is an apocalyptic number.

6115881984 is a gapful number since it is divisible by the number (64) 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 6115881984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8163108480).

6115881984 is an abundant number, since it is smaller than the sum of its proper divisors (10210334976).

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

6115881984 is a wasteful number, since it uses less digits than its factorization.

6115881984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095 (or 3077 counting only the distinct ones).

The product of its digits is 552960, while the sum is 51.

The square root of 6115881984 is about 78204.1046493085. The cubic root of 6115881984 is about 1828.7444964168.

The spelling of 6115881984 in words is "six billion, one hundred fifteen million, eight hundred eighty-one thousand, nine hundred eighty-four".