1515224042113 has 2 divisors, whose sum is σ = 1515224042114. Its totient is φ = 1515224042112.

The previous prime is 1515224042099. The next prime is 1515224042147. The reversal of 1515224042113 is 3112404225151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839526890049 + 675697152064 = 916257^2 + 822008^2 .

It is a cyclic number.

It is not a de Polignac number, because 1515224042113 - 2²⁹ = 1514687171201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1515224042183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757612021056 + 757612021057.

It is an arithmetic number, because the mean of its divisors is an integer number (757612021057).

Almost surely, 2^{1515224042113} is an apocalyptic number.

It is an amenable number.

1515224042113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1515224042113 is an equidigital number, since it uses as much as digits as its factorization.

1515224042113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 1515224042113 its reverse (3112404225151), we get a palindrome (4627628267264).

The spelling of 1515224042113 in words is "one trillion, five hundred fifteen billion, two hundred twenty-four million, forty-two thousand, one hundred thirteen".