12571137103 has 4 divisors (see below), whose sum is σ = 14367013840. Its totient is φ = 10775260368.

The previous prime is 12571137091. The next prime is 12571137107. The reversal of 12571137103 is 30173117521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12571137103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12571137107) 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, 897938358 + ... + 897938371.

It is an arithmetic number, because the mean of its divisors is an integer number (3591753460).

Almost surely, 2^12571137103 is an apocalyptic number.

12571137103 is a deficient number, since it is larger than the sum of its proper divisors (1795876737).

12571137103 is an equidigital number, since it uses as much as digits as its factorization.

12571137103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795876736.

The product of its (nonzero) digits is 4410, while the sum is 31.

The spelling of 12571137103 in words is "twelve billion, five hundred seventy-one million, one hundred thirty-seven thousand, one hundred three".