12641526265003 has 4 divisors (see below), whose sum is σ = 13385145457080. Its totient is φ = 11897907072928.

The previous prime is 12641526264967. The next prime is 12641526265013. The reversal of 12641526265003 is 30056262514621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12641526265003 - 2¹⁷ = 12641526133931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12641526265013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371809596013 + ... + 371809596046.

It is an arithmetic number, because the mean of its divisors is an integer number (3346286364270).

Almost surely, 2^{12641526265003} is an apocalyptic number.

12641526265003 is a deficient number, since it is larger than the sum of its proper divisors (743619192077).

12641526265003 is an equidigital number, since it uses as much as digits as its factorization.

12641526265003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743619192076.

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 12641526265003 its reverse (30056262514621), we get a palindrome (42697788779624).

The spelling of 12641526265003 in words is "twelve trillion, six hundred forty-one billion, five hundred twenty-six million, two hundred sixty-five thousand, three".