1083215056 has 80 divisors (see below), whose sum is σ = 2625367680. Its totient is φ = 420618240.

The previous prime is 1083215041. The next prime is 1083215059. The reversal of 1083215056 is 6505123801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083215059) 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, 413880 + ... + 416488.

It is an arithmetic number, because the mean of its divisors is an integer number (32817096).

Almost surely, 2^1083215056 is an apocalyptic number.

1083215056 is a gapful number since it is divisible by the number (16) 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 1083215056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312683840).

1083215056 is an abundant number, since it is smaller than the sum of its proper divisors (1542152624).

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

1083215056 is a wasteful number, since it uses less digits than its factorization.

1083215056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1083215056 is about 32912.2326194988. The cubic root of 1083215056 is about 1027.0026461705.

Adding to 1083215056 its reverse (6505123801), we get a palindrome (7588338857).

The spelling of 1083215056 in words is "one billion, eighty-three million, two hundred fifteen thousand, fifty-six".