30133086557891 has 2 divisors, whose sum is σ = 30133086557892. Its totient is φ = 30133086557890.

The previous prime is 30133086557863. The next prime is 30133086557947. The reversal of 30133086557891 is 19875568033103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30133086557891 - 2³⁸ = 29858208650947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30133086557891.

It is not a weakly prime, because it can be changed into another prime (30133086557831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066543278945 + 15066543278946.

It is an arithmetic number, because the mean of its divisors is an integer number (15066543278946).

Almost surely, 2^{30133086557891} is an apocalyptic number.

30133086557891 is a deficient number, since it is larger than the sum of its proper divisors (1).

30133086557891 is an equidigital number, since it uses as much as digits as its factorization.

30133086557891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 30133086557891 in words is "thirty trillion, one hundred thirty-three billion, eighty-six million, five hundred fifty-seven thousand, eight hundred ninety-one".