13115412634 has 4 divisors (see below), whose sum is σ = 19673118954. Its totient is φ = 6557706316.

The previous prime is 13115412617. The next prime is 13115412649. The reversal of 13115412634 is 43621451131.

13115412634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 12260025625 + 855387009 = 110725^2 + 29247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13115412596 and 13115412605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278853157 + ... + 3278853160.

Almost surely, 2^13115412634 is an apocalyptic number.

13115412634 is a deficient number, since it is larger than the sum of its proper divisors (6557706320).

13115412634 is an equidigital number, since it uses as much as digits as its factorization.

13115412634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557706319.

The product of its digits is 8640, while the sum is 31.

Adding to 13115412634 its reverse (43621451131), we get a palindrome (56736863765).

The spelling of 13115412634 in words is "thirteen billion, one hundred fifteen million, four hundred twelve thousand, six hundred thirty-four".