1711418480581 has 2 divisors, whose sum is σ = 1711418480582. Its totient is φ = 1711418480580.

The previous prime is 1711418480557. The next prime is 1711418480623. The reversal of 1711418480581 is 1850848141171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1378874805025 + 332543675556 = 1174255^2 + 576666^2 .

It is an emirp because it is prime and its reverse (1850848141171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1711418480581 - 2¹¹ = 1711418478533 is a prime.

It is a super-2 number, since 2×1711418480581² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1711418480081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855709240290 + 855709240291.

It is an arithmetic number, because the mean of its divisors is an integer number (855709240291).

Almost surely, 2^{1711418480581} is an apocalyptic number.

It is an amenable number.

1711418480581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1711418480581 is an equidigital number, since it uses as much as digits as its factorization.

1711418480581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 49.

The spelling of 1711418480581 in words is "one trillion, seven hundred eleven billion, four hundred eighteen million, four hundred eighty thousand, five hundred eighty-one".