11380243517 has 2 divisors, whose sum is σ = 11380243518. Its totient is φ = 11380243516.

The previous prime is 11380243507. The next prime is 11380243541. The reversal of 11380243517 is 71534208311.

11380243517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10828275481 + 551968036 = 104059^2 + 23494^2 .

It is a cyclic number.

It is not a de Polignac number, because 11380243517 - 2²⁰ = 11379194941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11380243507) 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, 5690121758 + 5690121759.

It is an arithmetic number, because the mean of its divisors is an integer number (5690121759).

Almost surely, 2^11380243517 is an apocalyptic number.

It is an amenable number.

11380243517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11380243517 is an equidigital number, since it uses as much as digits as its factorization.

11380243517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 11380243517 in words is "eleven billion, three hundred eighty million, two hundred forty-three thousand, five hundred seventeen".