133311221944787 has 2 divisors, whose sum is σ = 133311221944788. Its totient is φ = 133311221944786.

The previous prime is 133311221944751. The next prime is 133311221944799. The reversal of 133311221944787 is 787449122113331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133311221944787 - 2¹⁴ = 133311221928403 is a prime.

It is not a weakly prime, because it can be changed into another prime (133311221964787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655610972393 + 66655610972394.

It is an arithmetic number, because the mean of its divisors is an integer number (66655610972394).

Almost surely, 2^{133311221944787} is an apocalyptic number.

133311221944787 is a deficient number, since it is larger than the sum of its proper divisors (1).

133311221944787 is an equidigital number, since it uses as much as digits as its factorization.

133311221944787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The spelling of 133311221944787 in words is "one hundred thirty-three trillion, three hundred eleven billion, two hundred twenty-one million, nine hundred forty-four thousand, seven hundred eighty-seven".