12045441105 has 12 divisors (see below), whose sum is σ = 20878764660. Its totient is φ = 6424235232.

The previous prime is 12045441061. The next prime is 12045441157. The reversal of 12045441105 is 50114454021.

12045441105 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 544 + 110 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8860080384 + 3185360721 = 94128^2 + 56439^2 .

It is not a de Polignac number, because 12045441105 - 2⁶ = 12045441041 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133838190 + ... + 133838279.

It is an arithmetic number, because the mean of its divisors is an integer number (1739897055).

Almost surely, 2^12045441105 is an apocalyptic number.

12045441105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12045441105 is a deficient number, since it is larger than the sum of its proper divisors (8833323555).

12045441105 is a wasteful number, since it uses less digits than its factorization.

12045441105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267676480 (or 267676477 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 12045441105 its reverse (50114454021), we get a palindrome (62159895126).

The spelling of 12045441105 in words is "twelve billion, forty-five million, four hundred forty-one thousand, one hundred five".