11526630517 has 2 divisors, whose sum is σ = 11526630518. Its totient is φ = 11526630516.

The previous prime is 11526630509. The next prime is 11526630529. The reversal of 11526630517 is 71503662511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11374009201 + 152621316 = 106649^2 + 12354^2 .

It is a cyclic number.

It is not a de Polignac number, because 11526630517 - 2³ = 11526630509 is a prime.

It is a super-2 number, since 2×11526630517² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11526630587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5763315258 + 5763315259.

It is an arithmetic number, because the mean of its divisors is an integer number (5763315259).

Almost surely, 2^11526630517 is an apocalyptic number.

It is an amenable number.

11526630517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11526630517 is an equidigital number, since it uses as much as digits as its factorization.

11526630517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 11526630517 in words is "eleven billion, five hundred twenty-six million, six hundred thirty thousand, five hundred seventeen".