13501315121 has 8 divisors (see below), whose sum is σ = 15487014144. Its totient is φ = 11529851040.

The previous prime is 13501315111. The next prime is 13501315141. The reversal of 13501315121 is 12151310531.

13501315121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13501315121 - 2²² = 13497120817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13501315111) 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 7 ways as a sum of consecutive naturals, for example, 3556700 + ... + 3560493.

It is an arithmetic number, because the mean of its divisors is an integer number (1935876768).

Almost surely, 2^13501315121 is an apocalyptic number.

It is an amenable number.

13501315121 is a deficient number, since it is larger than the sum of its proper divisors (1985699023).

13501315121 is an equidigital number, since it uses as much as digits as its factorization.

13501315121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117471.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 13501315121 its reverse (12151310531), we get a palindrome (25652625652).

The spelling of 13501315121 in words is "thirteen billion, five hundred one million, three hundred fifteen thousand, one hundred twenty-one".