1055506105583 has 2 divisors, whose sum is σ = 1055506105584. Its totient is φ = 1055506105582.

The previous prime is 1055506105529. The next prime is 1055506105609. The reversal of 1055506105583 is 3855016055501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055506105583 - 2¹² = 1055506101487 is a prime.

It is a super-2 number, since 2×1055506105583² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055506105513) 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, 527753052791 + 527753052792.

It is an arithmetic number, because the mean of its divisors is an integer number (527753052792).

Almost surely, 2^{1055506105583} is an apocalyptic number.

1055506105583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055506105583 is an equidigital number, since it uses as much as digits as its factorization.

1055506105583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450000, while the sum is 44.

The spelling of 1055506105583 in words is "one trillion, fifty-five billion, five hundred six million, one hundred five thousand, five hundred eighty-three".