5011561061099 has 2 divisors, whose sum is σ = 5011561061100. Its totient is φ = 5011561061098.

The previous prime is 5011561061081. The next prime is 5011561061113. The reversal of 5011561061099 is 9901601651105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5011561061099 - 2¹² = 5011561057003 is a prime.

It is a super-2 number, since 2×5011561061099² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5011561061999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505780530549 + 2505780530550.

It is an arithmetic number, because the mean of its divisors is an integer number (2505780530550).

Almost surely, 2^{5011561061099} is an apocalyptic number.

5011561061099 is a deficient number, since it is larger than the sum of its proper divisors (1).

5011561061099 is an equidigital number, since it uses as much as digits as its factorization.

5011561061099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 44.

The spelling of 5011561061099 in words is "five trillion, eleven billion, five hundred sixty-one million, sixty-one thousand, ninety-nine".