1555565460083 has 2 divisors, whose sum is σ = 1555565460084. Its totient is φ = 1555565460082.

The previous prime is 1555565460019. The next prime is 1555565460089. The reversal of 1555565460083 is 3800645655551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1555565460083 - 2⁶ = 1555565460019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1555565460089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777782730041 + 777782730042.

It is an arithmetic number, because the mean of its divisors is an integer number (777782730042).

Almost surely, 2^{1555565460083} is an apocalyptic number.

1555565460083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1555565460083 is an equidigital number, since it uses as much as digits as its factorization.

1555565460083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800000, while the sum is 53.

The spelling of 1555565460083 in words is "one trillion, five hundred fifty-five billion, five hundred sixty-five million, four hundred sixty thousand, eighty-three".