1105605605472 has 24 divisors (see below), whose sum is σ = 2902214714616. Its totient is φ = 368535201792.

The previous prime is 1105605605441. The next prime is 1105605605473. The reversal of 1105605605472 is 2745065065011.

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

It is a super-2 number, since 2×1105605605472² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105605605473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5758362433 + ... + 5758362624.

It is an arithmetic number, because the mean of its divisors is an integer number (120925613109).

Almost surely, 2^{1105605605472} is an apocalyptic number.

1105605605472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1105605605472 is an abundant number, since it is smaller than the sum of its proper divisors (1796609109144).

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

1105605605472 is a wasteful number, since it uses less digits than its factorization.

1105605605472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11516725070 (or 11516725062 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 1105605605472 in words is "one trillion, one hundred five billion, six hundred five million, six hundred five thousand, four hundred seventy-two".