11522515001 has 2 divisors, whose sum is σ = 11522515002. Its totient is φ = 11522515000.

The previous prime is 11522514989. The next prime is 11522515003. The reversal of 11522515001 is 10051522511.

11522515001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10826610601 + 695904400 = 104051^2 + 26380^2 .

It is an emirp because it is prime and its reverse (10051522511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11522515001 is a prime.

Together with 11522515003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11522515003) 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, 5761257500 + 5761257501.

It is an arithmetic number, because the mean of its divisors is an integer number (5761257501).

Almost surely, 2^11522515001 is an apocalyptic number.

It is an amenable number.

11522515001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11522515001 is an equidigital number, since it uses as much as digits as its factorization.

11522515001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 23.

The spelling of 11522515001 in words is "eleven billion, five hundred twenty-two million, five hundred fifteen thousand, one".