1116551480 has 64 divisors (see below), whose sum is σ = 2768986080. Its totient is φ = 401817600.

The previous prime is 1116551461. The next prime is 1116551497. The reversal of 1116551480 is 841556111.

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 15 ways as a sum of consecutive naturals, for example, 29600 + ... + 55760.

Almost surely, 2^1116551480 is an apocalyptic number.

1116551480 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 1116551480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384493040).

1116551480 is an abundant number, since it is smaller than the sum of its proper divisors (1652434600).

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

1116551480 is a wasteful number, since it uses less digits than its factorization.

1116551480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26280 (or 26276 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 1116551480 is about 33414.8392185268. The cubic root of 1116551480 is about 1037.4318662374.

The spelling of 1116551480 in words is "one billion, one hundred sixteen million, five hundred fifty-one thousand, four hundred eighty".