11518793983 has 2 divisors, whose sum is σ = 11518793984. Its totient is φ = 11518793982.

The previous prime is 11518793963. The next prime is 11518793987. The reversal of 11518793983 is 38939781511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11518793983 - 2⁹ = 11518793471 is a prime.

It is a super-2 number, since 2×11518793983² (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 (11518793987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5759396991 + 5759396992.

It is an arithmetic number, because the mean of its divisors is an integer number (5759396992).

Almost surely, 2^11518793983 is an apocalyptic number.

11518793983 is a deficient number, since it is larger than the sum of its proper divisors (1).

11518793983 is an equidigital number, since it uses as much as digits as its factorization.

11518793983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 55.

The spelling of 11518793983 in words is "eleven billion, five hundred eighteen million, seven hundred ninety-three thousand, nine hundred eighty-three".