30556421125033 has 2 divisors, whose sum is σ = 30556421125034. Its totient is φ = 30556421125032.

The previous prime is 30556421125019. The next prime is 30556421125049. The reversal of 30556421125033 is 33052112465503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19304669989264 + 11251751135769 = 4393708^2 + 3354363^2 .

It is a cyclic number.

It is not a de Polignac number, because 30556421125033 - 2²⁵ = 30556387570601 is a prime.

It is not a weakly prime, because it can be changed into another prime (30556421125093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15278210562516 + 15278210562517.

It is an arithmetic number, because the mean of its divisors is an integer number (15278210562517).

Almost surely, 2^{30556421125033} is an apocalyptic number.

It is an amenable number.

30556421125033 is a deficient number, since it is larger than the sum of its proper divisors (1).

30556421125033 is an equidigital number, since it uses as much as digits as its factorization.

30556421125033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 30556421125033 in words is "thirty trillion, five hundred fifty-six billion, four hundred twenty-one million, one hundred twenty-five thousand, thirty-three".