12938875395157 has 4 divisors (see below), whose sum is σ = 12952255825696. Its totient is φ = 12925494964620.

The previous prime is 12938875395109. The next prime is 12938875395191. The reversal of 12938875395157 is 75159357883921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12938875395157 - 2¹¹ = 12938875393109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12938875395157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12938875305157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6690213819 + ... + 6690215752.

It is an arithmetic number, because the mean of its divisors is an integer number (3238063956424).

Almost surely, 2^{12938875395157} is an apocalyptic number.

It is an amenable number.

12938875395157 is a deficient number, since it is larger than the sum of its proper divisors (13380430539).

12938875395157 is an equidigital number, since it uses as much as digits as its factorization.

12938875395157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380430538.

The product of its digits is 571536000, while the sum is 73.

The spelling of 12938875395157 in words is "twelve trillion, nine hundred thirty-eight billion, eight hundred seventy-five million, three hundred ninety-five thousand, one hundred fifty-seven".