1105281361 has 4 divisors (see below), whose sum is σ = 1116012352. Its totient is φ = 1094550372.

The previous prime is 1105281343. The next prime is 1105281371. The reversal of 1105281361 is 1631825011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1105281361 - 2⁵ = 1105281329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105281311) 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 3 ways as a sum of consecutive naturals, for example, 5365341 + ... + 5365546.

It is an arithmetic number, because the mean of its divisors is an integer number (279003088).

Almost surely, 2^1105281361 is an apocalyptic number.

It is an amenable number.

1105281361 is a deficient number, since it is larger than the sum of its proper divisors (10730991).

1105281361 is a wasteful number, since it uses less digits than its factorization.

1105281361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730990.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1105281361 is about 33245.7720770627. The cubic root of 1105281361 is about 1033.9295524088.

The spelling of 1105281361 in words is "one billion, one hundred five million, two hundred eighty-one thousand, three hundred sixty-one".