1116635520 has 768 divisors, whose sum is σ = 4922830080. Its totient is φ = 211599360.

The previous prime is 1116635519. The next prime is 1116635537. The reversal of 1116635520 is 255366111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13453399 + ... + 13453481.

It is an arithmetic number, because the mean of its divisors is an integer number (6409935).

Almost surely, 2^1116635520 is an apocalyptic number.

1116635520 is a gapful number since it is divisible by the number (10) 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 1116635520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461415040).

1116635520 is an abundant number, since it is smaller than the sum of its proper divisors (3806194560).

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

1116635520 is a wasteful number, since it uses less digits than its factorization.

1116635520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1116635520 is about 33416.0967199941. The cubic root of 1116635520 is about 1037.4578938735.

It can be divided in two parts, 1116 and 635520, that added together give a palindrome (636636).

The spelling of 1116635520 in words is "one billion, one hundred sixteen million, six hundred thirty-five thousand, five hundred twenty".