1115550080 has 32 divisors (see below), whose sum is σ = 2666863440. Its totient is φ = 446219776.

The previous prime is 1115550077. The next prime is 1115550089. The reversal of 1115550080 is 800555111.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115550089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870884 + ... + 872163.

Almost surely, 2^1115550080 is an apocalyptic number.

1115550080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115550080 is an abundant number, since it is smaller than the sum of its proper divisors (1551313360).

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

1115550080 is an equidigital number, since it uses as much as digits as its factorization.

1115550080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743066 (or 1743054 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 26.

The square root of 1115550080 is about 33399.8514966758. The cubic root of 1115550080 is about 1037.1216267709.

The spelling of 1115550080 in words is "one billion, one hundred fifteen million, five hundred fifty thousand, eighty".