11855889583 has 2 divisors, whose sum is σ = 11855889584. Its totient is φ = 11855889582.

The previous prime is 11855889541. The next prime is 11855889593. The reversal of 11855889583 is 38598855811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11855889583 - 2¹³ = 11855881391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11855889593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5927944791 + 5927944792.

It is an arithmetic number, because the mean of its divisors is an integer number (5927944792).

Almost surely, 2^11855889583 is an apocalyptic number.

11855889583 is a deficient number, since it is larger than the sum of its proper divisors (1).

11855889583 is an equidigital number, since it uses as much as digits as its factorization.

11855889583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824000, while the sum is 61.

The spelling of 11855889583 in words is "eleven billion, eight hundred fifty-five million, eight hundred eighty-nine thousand, five hundred eighty-three".