5105555555051 has 4 divisors (see below), whose sum is σ = 5834920634352. Its totient is φ = 4376190475752.

The previous prime is 5105555555027. The next prime is 5105555555063. The reversal of 5105555555051 is 1505555555015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5105555555051 is a prime.

It is a super-2 number, since 2×5105555555051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5105555554987 and 5105555555005.

It is not an unprimeable number, because it can be changed into a prime (5105555555651) 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, 364682539640 + ... + 364682539653.

It is an arithmetic number, because the mean of its divisors is an integer number (1458730158588).

Almost surely, 2^{5105555555051} is an apocalyptic number.

5105555555051 is a deficient number, since it is larger than the sum of its proper divisors (729365079301).

5105555555051 is an equidigital number, since it uses as much as digits as its factorization.

5105555555051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729365079300.

The product of its (nonzero) digits is 1953125, while the sum is 47.

It can be divided in two parts, 510555 and 5555051, that added together give a palindrome (6065606).

The spelling of 5105555555051 in words is "five trillion, one hundred five billion, five hundred fifty-five million, five hundred fifty-five thousand, fifty-one".