2061115056 has 480 divisors, whose sum is σ = 7886161920. Its totient is φ = 485222400.

The previous prime is 2061114973. The next prime is 2061115099. The reversal of 2061115056 is 6505111602.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11387286 + ... + 11387466.

It is an arithmetic number, because the mean of its divisors is an integer number (16429504).

Almost surely, 2^2061115056 is an apocalyptic number.

2061115056 is a gapful number since it is divisible by the number (26) 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 2061115056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3943080960).

2061115056 is an abundant number, since it is smaller than the sum of its proper divisors (5825046864).

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

2061115056 is a wasteful number, since it uses less digits than its factorization.

2061115056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2061115056 is about 45399.5050193281. The cubic root of 2061115056 is about 1272.6258638335.

Adding to 2061115056 its reverse (6505111602), we get a palindrome (8566226658).

The spelling of 2061115056 in words is "two billion, sixty-one million, one hundred fifteen thousand, fifty-six".