3056561555923 has 2 divisors, whose sum is σ = 3056561555924. Its totient is φ = 3056561555922.

The previous prime is 3056561555881. The next prime is 3056561556007. The reversal of 3056561555923 is 3295551656503.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3056561555923 - 2¹³ = 3056561547731 is a prime.

It is not a weakly prime, because it can be changed into another prime (3056561550923) 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, 1528280777961 + 1528280777962.

It is an arithmetic number, because the mean of its divisors is an integer number (1528280777962).

Almost surely, 2^{3056561555923} is an apocalyptic number.

3056561555923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3056561555923 is an equidigital number, since it uses as much as digits as its factorization.

3056561555923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225000, while the sum is 55.

The spelling of 3056561555923 in words is "three trillion, fifty-six billion, five hundred sixty-one million, five hundred fifty-five thousand, nine hundred twenty-three".