1074518686517 has 2 divisors, whose sum is σ = 1074518686518. Its totient is φ = 1074518686516.

The previous prime is 1074518686489. The next prime is 1074518686559. The reversal of 1074518686517 is 7156868154701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013336169316 + 61182517201 = 1006646^2 + 247351^2 .

It is an emirp because it is prime and its reverse (7156868154701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1074518686517 - 2⁸ = 1074518686261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074518686217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537259343258 + 537259343259.

It is an arithmetic number, because the mean of its divisors is an integer number (537259343259).

Almost surely, 2^{1074518686517} is an apocalyptic number.

It is an amenable number.

1074518686517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074518686517 is an equidigital number, since it uses as much as digits as its factorization.

1074518686517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 59.

The spelling of 1074518686517 in words is "one trillion, seventy-four billion, five hundred eighteen million, six hundred eighty-six thousand, five hundred seventeen".