5000561101001 has 4 divisors (see below), whose sum is σ = 5001016827012. Its totient is φ = 5000105374992.

The previous prime is 5000561100991. The next prime is 5000561101007. The reversal of 5000561101001 is 1001011650005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2354457011776 + 2646104089225 = 1534424^2 + 1626685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5000561101001 is a prime.

It is a super-2 number, since 2×5000561101001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5000561101007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227846546 + ... + 227868491.

It is an arithmetic number, because the mean of its divisors is an integer number (1250254206753).

Almost surely, 2^{5000561101001} is an apocalyptic number.

It is an amenable number.

5000561101001 is a deficient number, since it is larger than the sum of its proper divisors (455726011).

5000561101001 is a wasteful number, since it uses less digits than its factorization.

5000561101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455726010.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 5000561101001 its reverse (1001011650005), we get a palindrome (6001572751006).

The spelling of 5000561101001 in words is "five trillion, five hundred sixty-one million, one hundred one thousand, one".