1301517183481 has 2 divisors, whose sum is σ = 1301517183482. Its totient is φ = 1301517183480.

The previous prime is 1301517183431. The next prime is 1301517183493. The reversal of 1301517183481 is 1843817151031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1019980823481 + 281536360000 = 1009941^2 + 530600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301517183481 - 2¹³ = 1301517175289 is a prime.

It is a super-2 number, since 2×1301517183481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1301517183431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650758591740 + 650758591741.

It is an arithmetic number, because the mean of its divisors is an integer number (650758591741).

Almost surely, 2^{1301517183481} is an apocalyptic number.

It is an amenable number.

1301517183481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301517183481 is an equidigital number, since it uses as much as digits as its factorization.

1301517183481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 1301517183481 in words is "one trillion, three hundred one billion, five hundred seventeen million, one hundred eighty-three thousand, four hundred eighty-one".