1105615616 has 108 divisors (see below), whose sum is σ = 2617235712. Its totient is φ = 464615424.

The previous prime is 1105615601. The next prime is 1105615657. The reversal of 1105615616 is 6165165011.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664001 + ... + 665663.

It is an arithmetic number, because the mean of its divisors is an integer number (24233664).

Almost surely, 2^1105615616 is an apocalyptic number.

1105615616 is a gapful number since it is divisible by the number (16) 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 1105615616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308617856).

1105615616 is an abundant number, since it is smaller than the sum of its proper divisors (1511620096).

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

1105615616 is an equidigital number, since it uses as much as digits as its factorization.

1105615616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1105615616 is about 33250.7987272486. The cubic root of 1105615616 is about 1034.0337675895.

The spelling of 1105615616 in words is "one billion, one hundred five million, six hundred fifteen thousand, six hundred sixteen".