2101315545767 has 2 divisors, whose sum is σ = 2101315545768. Its totient is φ = 2101315545766.

The previous prime is 2101315545743. The next prime is 2101315545803. The reversal of 2101315545767 is 7675455131012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101315545767 - 2¹² = 2101315541671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101312545767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050657772883 + 1050657772884.

It is an arithmetic number, because the mean of its divisors is an integer number (1050657772884).

Almost surely, 2^{2101315545767} is an apocalyptic number.

2101315545767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101315545767 is an equidigital number, since it uses as much as digits as its factorization.

2101315545767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882000, while the sum is 47.

The spelling of 2101315545767 in words is "two trillion, one hundred one billion, three hundred fifteen million, five hundred forty-five thousand, seven hundred sixty-seven".