12903191611 has 4 divisors (see below), whose sum is σ = 12937784992. Its totient is φ = 12868598232.

The previous prime is 12903191599. The next prime is 12903191627. The reversal of 12903191611 is 11619130921.

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 12903191611 - 2⁵ = 12903191579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12903191911) 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, 17296131 + ... + 17296876.

It is an arithmetic number, because the mean of its divisors is an integer number (3234446248).

Almost surely, 2^12903191611 is an apocalyptic number.

12903191611 is a deficient number, since it is larger than the sum of its proper divisors (34593381).

12903191611 is an equidigital number, since it uses as much as digits as its factorization.

12903191611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34593380.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 12903191611 in words is "twelve billion, nine hundred three million, one hundred ninety-one thousand, six hundred eleven".