5101100510561 has 4 divisors (see below), whose sum is σ = 5564836920624. Its totient is φ = 4637364100500.

The previous prime is 5101100510507. The next prime is 5101100510621. The reversal of 5101100510561 is 1650150011015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5101100510561 - 2⁴² = 703053999457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5101100510561.

It is not an unprimeable number, because it can be changed into a prime (5101100510761) 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, 231868205015 + ... + 231868205036.

It is an arithmetic number, because the mean of its divisors is an integer number (1391209230156).

Almost surely, 2^{5101100510561} is an apocalyptic number.

It is an amenable number.

5101100510561 is a deficient number, since it is larger than the sum of its proper divisors (463736410063).

5101100510561 is a wasteful number, since it uses less digits than its factorization.

5101100510561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463736410062.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 5101100510561 its reverse (1650150011015), we get a palindrome (6751250521576).

The spelling of 5101100510561 in words is "five trillion, one hundred one billion, one hundred million, five hundred ten thousand, five hundred sixty-one".