1146937857817 has 2 divisors, whose sum is σ = 1146937857818. Its totient is φ = 1146937857816.

The previous prime is 1146937857701. The next prime is 1146937857853. The reversal of 1146937857817 is 7187587396411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623624510601 + 523313347216 = 789699^2 + 723404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146937857817 - 2²³ = 1146929469209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1146937854817) 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, 573468928908 + 573468928909.

It is an arithmetic number, because the mean of its divisors is an integer number (573468928909).

Almost surely, 2^{1146937857817} is an apocalyptic number.

It is an amenable number.

1146937857817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146937857817 is an equidigital number, since it uses as much as digits as its factorization.

1146937857817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71124480, while the sum is 67.

The spelling of 1146937857817 in words is "one trillion, one hundred forty-six billion, nine hundred thirty-seven million, eight hundred fifty-seven thousand, eight hundred seventeen".