12738235081151 has 4 divisors (see below), whose sum is σ = 12741614823600. Its totient is φ = 12734855338704.

The previous prime is 12738235081127. The next prime is 12738235081183. The reversal of 12738235081151 is 15118053283721.

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

It is a cyclic number.

It is not a de Polignac number, because 12738235081151 - 2¹⁰ = 12738235080127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12738235081096 and 12738235081105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738235081111) 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, 1689865571 + ... + 1689873108.

It is an arithmetic number, because the mean of its divisors is an integer number (3185403705900).

Almost surely, 2^{12738235081151} is an apocalyptic number.

12738235081151 is a deficient number, since it is larger than the sum of its proper divisors (3379742449).

12738235081151 is an equidigital number, since it uses as much as digits as its factorization.

12738235081151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379742448.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 12738235081151 in words is "twelve trillion, seven hundred thirty-eight billion, two hundred thirty-five million, eighty-one thousand, one hundred fifty-one".