1110345520 has 80 divisors (see below), whose sum is σ = 2629519200. Its totient is φ = 435968000.

The previous prime is 1110345479. The next prime is 1110345557. The reversal of 1110345520 is 255430111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1110345491 and 1110345500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057956 + ... + 1059004.

It is an arithmetic number, because the mean of its divisors is an integer number (32868990).

Almost surely, 2^1110345520 is an apocalyptic number.

1110345520 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 1110345520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314759600).

1110345520 is an abundant number, since it is smaller than the sum of its proper divisors (1519173680).

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

1110345520 is a wasteful number, since it uses less digits than its factorization.

1110345520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1110345520 is about 33321.8474877970. The cubic root of 1110345520 is about 1035.5062270344.

Adding to 1110345520 its reverse (255430111), we get a palindrome (1365775631).

The spelling of 1110345520 in words is "one billion, one hundred ten million, three hundred forty-five thousand, five hundred twenty".