1071279313817 has 2 divisors, whose sum is σ = 1071279313818. Its totient is φ = 1071279313816.

The previous prime is 1071279313807. The next prime is 1071279313843. The reversal of 1071279313817 is 7183139721701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065800205376 + 5479108441 = 1032376^2 + 74021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071279313817 - 2¹⁰ = 1071279312793 is a prime.

It is a super-2 number, since 2×1071279313817² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071279313807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535639656908 + 535639656909.

It is an arithmetic number, because the mean of its divisors is an integer number (535639656909).

Almost surely, 2^{1071279313817} is an apocalyptic number.

It is an amenable number.

1071279313817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071279313817 is an equidigital number, since it uses as much as digits as its factorization.

1071279313817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 50.

The spelling of 1071279313817 in words is "one trillion, seventy-one billion, two hundred seventy-nine million, three hundred thirteen thousand, eight hundred seventeen".