11518990583 has 2 divisors, whose sum is σ = 11518990584. Its totient is φ = 11518990582.

The previous prime is 11518990531. The next prime is 11518990603. The reversal of 11518990583 is 38509981511.

It is a strong prime.

It is an emirp because it is prime and its reverse (38509981511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11518990583 - 2¹⁸ = 11518728439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11518990523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5759495291 + 5759495292.

It is an arithmetic number, because the mean of its divisors is an integer number (5759495292).

Almost surely, 2^11518990583 is an apocalyptic number.

11518990583 is a deficient number, since it is larger than the sum of its proper divisors (1).

11518990583 is an equidigital number, since it uses as much as digits as its factorization.

11518990583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 50.

The spelling of 11518990583 in words is "eleven billion, five hundred eighteen million, nine hundred ninety thousand, five hundred eighty-three".