13075121653081 has 2 divisors, whose sum is σ = 13075121653082. Its totient is φ = 13075121653080.

The previous prime is 13075121653043. The next prime is 13075121653141. The reversal of 13075121653081 is 18035612157031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12804660289600 + 270461363481 = 3578360^2 + 520059^2 .

It is a cyclic number.

It is not a de Polignac number, because 13075121653081 - 2²⁷ = 13074987435353 is a prime.

It is a super-2 number, since 2×13075121653081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13075121653021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6537560826540 + 6537560826541.

It is an arithmetic number, because the mean of its divisors is an integer number (6537560826541).

Almost surely, 2^{13075121653081} is an apocalyptic number.

It is an amenable number.

13075121653081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13075121653081 is an equidigital number, since it uses as much as digits as its factorization.

13075121653081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 13075121653081 in words is "thirteen trillion, seventy-five billion, one hundred twenty-one million, six hundred fifty-three thousand, eighty-one".