12605243541 has 32 divisors (see below), whose sum is σ = 19185776640. Its totient is φ = 7286875200.

The previous prime is 12605243531. The next prime is 12605243569. The reversal of 12605243541 is 14534250621.

12605243541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12605243541 - 2⁶ = 12605243477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12605243531) 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 31 ways as a sum of consecutive naturals, for example, 249351 + ... + 295611.

It is an arithmetic number, because the mean of its divisors is an integer number (599555520).

Almost surely, 2^12605243541 is an apocalyptic number.

12605243541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12605243541 is a deficient number, since it is larger than the sum of its proper divisors (6580533099).

12605243541 is a wasteful number, since it uses less digits than its factorization.

12605243541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46657.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 12605243541 in words is "twelve billion, six hundred five million, two hundred forty-three thousand, five hundred forty-one".