1111456080 has 400 divisors, whose sum is σ = 4472392320. Its totient is φ = 250573824.

The previous prime is 1111456079. The next prime is 1111456097. The reversal of 1111456080 is 806541111.

1111456080 is a `hidden beast` number, since 1 + 1 + 11 + 45 + 608 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4853406 + ... + 4853634.

Almost surely, 2^1111456080 is an apocalyptic number.

1111456080 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 1111456080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2236196160).

1111456080 is an abundant number, since it is smaller than the sum of its proper divisors (3360936240).

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

1111456080 is a wasteful number, since it uses less digits than its factorization.

1111456080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1111456080 is about 33338.5074650921. The cubic root of 1111456080 is about 1035.8513474146.

Adding to 1111456080 its reverse (806541111), we get a palindrome (1917997191).

The spelling of 1111456080 in words is "one billion, one hundred eleven million, four hundred fifty-six thousand, eighty".