12638152514 has 64 divisors (see below), whose sum is σ = 21313345536. Its totient is φ = 5583276864.

The previous prime is 12638152511. The next prime is 12638152519. The reversal of 12638152514 is 41525183621.

12638152514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12638152511) 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 31 ways as a sum of consecutive naturals, for example, 13344989 + ... + 13345935.

It is an arithmetic number, because the mean of its divisors is an integer number (333021024).

Almost surely, 2^12638152514 is an apocalyptic number.

12638152514 is a deficient number, since it is larger than the sum of its proper divisors (8675193022).

12638152514 is a wasteful number, since it uses less digits than its factorization.

12638152514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239.

The product of its digits is 57600, while the sum is 38.

The spelling of 12638152514 in words is "twelve billion, six hundred thirty-eight million, one hundred fifty-two thousand, five hundred fourteen".