1105365640 has 64 divisors (see below), whose sum is σ = 2522223360. Its totient is φ = 435939840.

The previous prime is 1105365637. The next prime is 1105365643. The reversal of 1105365640 is 465635011.

It is an interprime number because it is at equal distance from previous prime (1105365637) and next prime (1105365643).

It is not an unprimeable number, because it can be changed into a prime (1105365643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1159404 + ... + 1160356.

It is an arithmetic number, because the mean of its divisors is an integer number (39409740).

Almost surely, 2^1105365640 is an apocalyptic number.

1105365640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105365640 is an abundant number, since it is smaller than the sum of its proper divisors (1416857720).

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

1105365640 is a wasteful number, since it uses less digits than its factorization.

1105365640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1105365640 is about 33247.0395674562. The cubic root of 1105365640 is about 1033.9558311879.

The spelling of 1105365640 in words is "one billion, one hundred five million, three hundred sixty-five thousand, six hundred forty".