7105552010981 has 2 divisors, whose sum is σ = 7105552010982. Its totient is φ = 7105552010980.

The previous prime is 7105552010957. The next prime is 7105552011013. The reversal of 7105552010981 is 1890102555017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6722954093956 + 382597917025 = 2592866^2 + 618545^2 .

It is a cyclic number.

It is not a de Polignac number, because 7105552010981 - 2¹⁰ = 7105552009957 is a prime.

It is a super-2 number, since 2×7105552010981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7105552010281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3552776005490 + 3552776005491.

It is an arithmetic number, because the mean of its divisors is an integer number (3552776005491).

Almost surely, 2^{7105552010981} is an apocalyptic number.

It is an amenable number.

7105552010981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7105552010981 is an equidigital number, since it uses as much as digits as its factorization.

7105552010981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 44.

Adding to 7105552010981 its reverse (1890102555017), we get a palindrome (8995654565998).

The spelling of 7105552010981 in words is "seven trillion, one hundred five billion, five hundred fifty-two million, ten thousand, nine hundred eighty-one".