11450530687 has 2 divisors, whose sum is σ = 11450530688. Its totient is φ = 11450530686.

The previous prime is 11450530643. The next prime is 11450530757. The reversal of 11450530687 is 78603505411.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (78603505411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11450530687 - 2²³ = 11442142079 is a prime.

It is a super-2 number, since 2×11450530687² (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 (11450530627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725265343 + 5725265344.

It is an arithmetic number, because the mean of its divisors is an integer number (5725265344).

Almost surely, 2^11450530687 is an apocalyptic number.

11450530687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11450530687 is an equidigital number, since it uses as much as digits as its factorization.

11450530687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 11450530687 in words is "eleven billion, four hundred fifty million, five hundred thirty thousand, six hundred eighty-seven".