30801655001563 has 2 divisors, whose sum is σ = 30801655001564. Its totient is φ = 30801655001562.

The previous prime is 30801655001371. The next prime is 30801655001587. The reversal of 30801655001563 is 36510055610803.

It is a strong prime.

It is an emirp because it is prime and its reverse (36510055610803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30801655001563 is a prime.

It is not a weakly prime, because it can be changed into another prime (30801655301563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15400827500781 + 15400827500782.

It is an arithmetic number, because the mean of its divisors is an integer number (15400827500782).

Almost surely, 2^{30801655001563} is an apocalyptic number.

30801655001563 is a deficient number, since it is larger than the sum of its proper divisors (1).

30801655001563 is an equidigital number, since it uses as much as digits as its factorization.

30801655001563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 30801655001563 in words is "thirty trillion, eight hundred one billion, six hundred fifty-five million, one thousand, five hundred sixty-three".