5135351414521 has 2 divisors, whose sum is σ = 5135351414522. Its totient is φ = 5135351414520.

The previous prime is 5135351414519. The next prime is 5135351414537. The reversal of 5135351414521 is 1254141535315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3257736206400 + 1877615208121 = 1804920^2 + 1370261^2 .

It is a cyclic number.

It is not a de Polignac number, because 5135351414521 - 2¹ = 5135351414519 is a prime.

Together with 5135351414519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5135351414561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567675707260 + 2567675707261.

It is an arithmetic number, because the mean of its divisors is an integer number (2567675707261).

Almost surely, 2^{5135351414521} is an apocalyptic number.

It is an amenable number.

5135351414521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5135351414521 is an equidigital number, since it uses as much as digits as its factorization.

5135351414521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 40.

Adding to 5135351414521 its reverse (1254141535315), we get a palindrome (6389492949836).

The spelling of 5135351414521 in words is "five trillion, one hundred thirty-five billion, three hundred fifty-one million, four hundred fourteen thousand, five hundred twenty-one".