1101505056 has 24 divisors (see below), whose sum is σ = 2891451024. Its totient is φ = 367168320.

The previous prime is 1101505007. The next prime is 1101505063. The reversal of 1101505056 is 6505051011.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5736910 + ... + 5737101.

It is an arithmetic number, because the mean of its divisors is an integer number (120477126).

Almost surely, 2^1101505056 is an apocalyptic number.

1101505056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1101505056 is an abundant number, since it is smaller than the sum of its proper divisors (1789945968).

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

1101505056 is a wasteful number, since it uses less digits than its factorization.

1101505056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474024 (or 11474016 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1101505056 is about 33188.9297206162. The cubic root of 1101505056 is about 1032.7507007108.

Adding to 1101505056 its reverse (6505051011), we get a palindrome (7606556067).

The spelling of 1101505056 in words is "one billion, one hundred one million, five hundred five thousand, fifty-six".