30556101256243 has 2 divisors, whose sum is σ = 30556101256244. Its totient is φ = 30556101256242.

The previous prime is 30556101256199. The next prime is 30556101256273. The reversal of 30556101256243 is 34265210165503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30556101256243 - 2²⁹ = 30555564385331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30556101256243.

It is not a weakly prime, because it can be changed into another prime (30556101256273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15278050628121 + 15278050628122.

It is an arithmetic number, because the mean of its divisors is an integer number (15278050628122).

Almost surely, 2^{30556101256243} is an apocalyptic number.

30556101256243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30556101256243 is an equidigital number, since it uses as much as digits as its factorization.

30556101256243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 30556101256243 in words is "thirty trillion, five hundred fifty-six billion, one hundred one million, two hundred fifty-six thousand, two hundred forty-three".