11515207073 has 2 divisors, whose sum is σ = 11515207074. Its totient is φ = 11515207072.

The previous prime is 11515207037. The next prime is 11515207139. The reversal of 11515207073 is 37070251511.

11515207073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11515207037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11358656929 + 156550144 = 106577^2 + 12512^2 .

It is a cyclic number.

It is not a de Polignac number, because 11515207073 - 2²⁴ = 11498429857 is a prime.

It is not a weakly prime, because it can be changed into another prime (11515207573) 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 as a sum of consecutive naturals, namely, 5757603536 + 5757603537.

It is an arithmetic number, because the mean of its divisors is an integer number (5757603537).

Almost surely, 2^11515207073 is an apocalyptic number.

It is an amenable number.

11515207073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11515207073 is an equidigital number, since it uses as much as digits as its factorization.

11515207073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 32.

Adding to 11515207073 its reverse (37070251511), we get a palindrome (48585458584).

The spelling of 11515207073 in words is "eleven billion, five hundred fifteen million, two hundred seven thousand, seventy-three".