30556421125000 has 56 divisors (see below), whose sum is σ = 71615695612050. Its totient is φ = 12222568400000.

The previous prime is 30556421124989. The next prime is 30556421125019. The reversal of 30556421125000 is 52112465503.

It can be written as a sum of positive squares in 7 ways, for example, as 9316913779044 + 21239507345956 = 3052362^2 + 4608634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 122100685 + ... + 122350684.

Almost surely, 2^{30556421125000} is an apocalyptic number.

It is an amenable number.

30556421125000 is an abundant number, since it is smaller than the sum of its proper divisors (41059274487050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30556421125000 is an frugal number, since it uses more digits than its factorization.

30556421125000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244451405 (or 244451376 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 30556421125000 in words is "thirty trillion, five hundred fifty-six billion, four hundred twenty-one million, one hundred twenty-five thousand".