5011050100561 has 2 divisors, whose sum is σ = 5011050100562. Its totient is φ = 5011050100560.

The previous prime is 5011050100517. The next prime is 5011050100657. The reversal of 5011050100561 is 1650010501105.

5011050100561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4845985849600 + 165064250961 = 2201360^2 + 406281^2 .

It is a cyclic number.

It is not a de Polignac number, because 5011050100561 - 2²³ = 5011041711953 is a prime.

It is a super-2 number, since 2×5011050100561² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5011050104561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505525050280 + 2505525050281.

It is an arithmetic number, because the mean of its divisors is an integer number (2505525050281).

Almost surely, 2^{5011050100561} is an apocalyptic number.

It is an amenable number.

5011050100561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5011050100561 is an equidigital number, since it uses as much as digits as its factorization.

5011050100561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 5011050100561 its reverse (1650010501105), we get a palindrome (6661060601666).

The spelling of 5011050100561 in words is "five trillion, eleven billion, fifty million, one hundred thousand, five hundred sixty-one".