5105010001061 has 4 divisors (see below), whose sum is σ = 5123439640332. Its totient is φ = 5086580361792.

The previous prime is 5105010001019. The next prime is 5105010001073. The reversal of 5105010001061 is 1601000105015.

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 950954578561 + 4154055422500 = 975169^2 + 2038150^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105010001061 - 2⁴² = 706963489957 is a prime.

It is a super-2 number, since 2×5105010001061² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105010001661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9214819220 + ... + 9214819773.

It is an arithmetic number, because the mean of its divisors is an integer number (1280859910083).

Almost surely, 2^{5105010001061} is an apocalyptic number.

It is an amenable number.

5105010001061 is a deficient number, since it is larger than the sum of its proper divisors (18429639271).

5105010001061 is a wasteful number, since it uses less digits than its factorization.

5105010001061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18429639270.

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

Adding to 5105010001061 its reverse (1601000105015), we get a palindrome (6706010106076).

The spelling of 5105010001061 in words is "five trillion, one hundred five billion, ten million, one thousand, sixty-one".