10663624042061 has 2 divisors, whose sum is σ = 10663624042062. Its totient is φ = 10663624042060.

The previous prime is 10663624042021. The next prime is 10663624042079. The reversal of 10663624042061 is 16024042636601.

10663624042061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9473277581161 + 1190346460900 = 3077869^2 + 1091030^2 .

It is an emirp because it is prime and its reverse (16024042636601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10663624042061 is a prime.

It is a super-2 number, since 2×10663624042061² (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 (10663624042021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331812021030 + 5331812021031.

It is an arithmetic number, because the mean of its divisors is an integer number (5331812021031).

Almost surely, 2^{10663624042061} is an apocalyptic number.

It is an amenable number.

10663624042061 is a deficient number, since it is larger than the sum of its proper divisors (1).

10663624042061 is an equidigital number, since it uses as much as digits as its factorization.

10663624042061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

Adding to 10663624042061 its reverse (16024042636601), we get a palindrome (26687666678662).

The spelling of 10663624042061 in words is "ten trillion, six hundred sixty-three billion, six hundred twenty-four million, forty-two thousand, sixty-one".