1751172261313 has 2 divisors, whose sum is σ = 1751172261314. Its totient is φ = 1751172261312.

The previous prime is 1751172261271. The next prime is 1751172261353. The reversal of 1751172261313 is 3131622711571.

It is a happy number.

It is an a-pointer prime, because the next prime (1751172261353) can be obtained adding 1751172261313 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1750360752144 + 811509169 = 1323012^2 + 28487^2 .

It is an emirp because it is prime and its reverse (3131622711571) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1751172261313 - 2⁹ = 1751172260801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1751172261353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875586130656 + 875586130657.

It is an arithmetic number, because the mean of its divisors is an integer number (875586130657).

Almost surely, 2^{1751172261313} is an apocalyptic number.

It is an amenable number.

1751172261313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1751172261313 is an equidigital number, since it uses as much as digits as its factorization.

1751172261313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 40.

Adding to 1751172261313 its reverse (3131622711571), we get a palindrome (4882794972884).

The spelling of 1751172261313 in words is "one trillion, seven hundred fifty-one billion, one hundred seventy-two million, two hundred sixty-one thousand, three hundred thirteen".