12611634103 has 4 divisors (see below), whose sum is σ = 12784396288. Its totient is φ = 12438871920.

The previous prime is 12611634083. The next prime is 12611634107. The reversal of 12611634103 is 30143611621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30143611621 = 3919 ⋅7691659.

It is a cyclic number.

It is not a de Polignac number, because 12611634103 - 2²⁹ = 12074763191 is a prime.

It is a super-2 number, since 2×12611634103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611634107) 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, 86380983 + ... + 86381128.

It is an arithmetic number, because the mean of its divisors is an integer number (3196099072).

Almost surely, 2^12611634103 is an apocalyptic number.

12611634103 is a deficient number, since it is larger than the sum of its proper divisors (172762185).

12611634103 is an equidigital number, since it uses as much as digits as its factorization.

12611634103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172762184.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 12611634103 in words is "twelve billion, six hundred eleven million, six hundred thirty-four thousand, one hundred three".