10461465551561 has 2 divisors, whose sum is σ = 10461465551562. Its totient is φ = 10461465551560.

The previous prime is 10461465551489. The next prime is 10461465551611. The reversal of 10461465551561 is 16515556416401.

10461465551561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10461465551611) can be obtained adding 10461465551561 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6597803567161 + 3863661984400 = 2568619^2 + 1965620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10461465551561 is a prime.

It is a super-2 number, since 2×10461465551561² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10461465551261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5230732775780 + 5230732775781.

It is an arithmetic number, because the mean of its divisors is an integer number (5230732775781).

Almost surely, 2^{10461465551561} is an apocalyptic number.

It is an amenable number.

10461465551561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10461465551561 is an equidigital number, since it uses as much as digits as its factorization.

10461465551561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 10461465551561 in words is "ten trillion, four hundred sixty-one billion, four hundred sixty-five million, five hundred fifty-one thousand, five hundred sixty-one".