12575745601565 has 16 divisors (see below), whose sum is σ = 15353936337600. Its totient is φ = 9885396820992.

The previous prime is 12575745601483. The next prime is 12575745601567. The reversal of 12575745601565 is 56510654757521.

It is a cyclic number.

It is not a de Polignac number, because 12575745601565 - 2¹² = 12575745597469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12575745601567) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9464135 + ... + 10710804.

It is an arithmetic number, because the mean of its divisors is an integer number (959621021100).

Almost surely, 2^{12575745601565} is an apocalyptic number.

It is an amenable number.

12575745601565 is a deficient number, since it is larger than the sum of its proper divisors (2778190736035).

12575745601565 is a wasteful number, since it uses less digits than its factorization.

12575745601565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20177116.

The product of its (nonzero) digits is 44100000, while the sum is 59.

The spelling of 12575745601565 in words is "twelve trillion, five hundred seventy-five billion, seven hundred forty-five million, six hundred one thousand, five hundred sixty-five".