30555020005445 has 32 divisors (see below), whose sum is σ = 41575150108800. Its totient is φ = 21370781332224.

The previous prime is 30555020005441. The next prime is 30555020005567. The reversal of 30555020005445 is 54450002055503.

It is a cyclic number.

It is not a de Polignac number, because 30555020005445 - 2² = 30555020005441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30555020005399 and 30555020005408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30555020005441) 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 in 31 ways as a sum of consecutive naturals, for example, 1825274 + ... + 8027556.

It is an arithmetic number, because the mean of its divisors is an integer number (1299223440900).

Almost surely, 2^{30555020005445} is an apocalyptic number.

It is an amenable number.

30555020005445 is a deficient number, since it is larger than the sum of its proper divisors (11020130103355).

30555020005445 is a wasteful number, since it uses less digits than its factorization.

30555020005445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206309.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 30555020005445 in words is "thirty trillion, five hundred fifty-five billion, twenty million, five thousand, four hundred forty-five".