11266007521 has 2 divisors, whose sum is σ = 11266007522. Its totient is φ = 11266007520.

The previous prime is 11266007443. The next prime is 11266007527. The reversal of 11266007521 is 12570066211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11228369296 + 37638225 = 105964^2 + 6135^2 .

It is a cyclic number.

It is not a de Polignac number, because 11266007521 - 2²⁷ = 11131789793 is a prime.

It is not a weakly prime, because it can be changed into another prime (11266007527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5633003760 + 5633003761.

It is an arithmetic number, because the mean of its divisors is an integer number (5633003761).

Almost surely, 2^11266007521 is an apocalyptic number.

It is an amenable number.

11266007521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11266007521 is an equidigital number, since it uses as much as digits as its factorization.

11266007521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 11266007521 in words is "eleven billion, two hundred sixty-six million, seven thousand, five hundred twenty-one".