13126871955 has 16 divisors (see below), whose sum is σ = 21049783200. Its totient is φ = 6985402368.

The previous prime is 13126871941. The next prime is 13126871957. The reversal of 13126871955 is 55917862131.

13126871955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13126871955 - 2¹⁰ = 13126870931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13126871957) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 967792 + ... + 981261.

It is an arithmetic number, because the mean of its divisors is an integer number (1315611450).

Almost surely, 2^13126871955 is an apocalyptic number.

13126871955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13126871955 is a deficient number, since it is larger than the sum of its proper divisors (7922911245).

13126871955 is a wasteful number, since it uses less digits than its factorization.

13126871955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949510.

The product of its digits is 453600, while the sum is 48.

The spelling of 13126871955 in words is "thirteen billion, one hundred twenty-six million, eight hundred seventy-one thousand, nine hundred fifty-five".