5105605111051 has 4 divisors (see below), whose sum is σ = 5105610170272. Its totient is φ = 5105600051832.

The previous prime is 5105605111039. The next prime is 5105605111073. The reversal of 5105605111051 is 1501115065015.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5105605111051 - 2²¹ = 5105603013899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105605111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441060 + ... + 3225793.

It is an arithmetic number, because the mean of its divisors is an integer number (1276402542568).

Almost surely, 2^{5105605111051} is an apocalyptic number.

5105605111051 is a deficient number, since it is larger than the sum of its proper divisors (5059221).

5105605111051 is a wasteful number, since it uses less digits than its factorization.

5105605111051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059220.

The product of its (nonzero) digits is 3750, while the sum is 31.

It can be divided in two parts, 5105605 and 111051, that added together give a square (5216656 = 2284²).

The spelling of 5105605111051 in words is "five trillion, one hundred five billion, six hundred five million, one hundred eleven thousand, fifty-one".