1115024880 has 160 divisors (see below), whose sum is σ = 3653337600. Its totient is φ = 280544256.

The previous prime is 1115024863. The next prime is 1115024887. The reversal of 1115024880 is 884205111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115024887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2001562 + ... + 2002118.

It is an arithmetic number, because the mean of its divisors is an integer number (22833360).

Almost surely, 2^1115024880 is an apocalyptic number.

1115024880 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 1115024880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826668800).

1115024880 is an abundant number, since it is smaller than the sum of its proper divisors (2538312720).

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

1115024880 is a wasteful number, since it uses less digits than its factorization.

1115024880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 1115024880 is about 33391.9882606592. The cubic root of 1115024880 is about 1036.9588425710.

Adding to 1115024880 its reverse (884205111), we get a palindrome (1999229991).

The spelling of 1115024880 in words is "one billion, one hundred fifteen million, twenty-four thousand, eight hundred eighty".