13051376571523 has 4 divisors (see below), whose sum is σ = 13819104605160. Its totient is φ = 12283648537888.

The previous prime is 13051376571503. The next prime is 13051376571589. The reversal of 13051376571523 is 32517567315031.

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 13051376571523 - 2¹³ = 13051376563331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13051376571503) 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, 383864016793 + ... + 383864016826.

It is an arithmetic number, because the mean of its divisors is an integer number (3454776151290).

Almost surely, 2^{13051376571523} is an apocalyptic number.

13051376571523 is a deficient number, since it is larger than the sum of its proper divisors (767728033637).

13051376571523 is an equidigital number, since it uses as much as digits as its factorization.

13051376571523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767728033636.

The product of its (nonzero) digits is 1984500, while the sum is 49.

The spelling of 13051376571523 in words is "thirteen trillion, fifty-one billion, three hundred seventy-six million, five hundred seventy-one thousand, five hundred twenty-three".