5105550051055 has 4 divisors (see below), whose sum is σ = 6126660061272. Its totient is φ = 4084440040840.

The previous prime is 5105550051053. The next prime is 5105550051071. The reversal of 5105550051055 is 5501500555015.

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

It is not a de Polignac number, because 5105550051055 - 2¹ = 5105550051053 is a prime.

It is a super-2 number, since 2×5105550051055² (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 (5105550051053) 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, 510555005101 + ... + 510555005110.

It is an arithmetic number, because the mean of its divisors is an integer number (1531665015318).

Almost surely, 2^{5105550051055} is an apocalyptic number.

5105550051055 is a deficient number, since it is larger than the sum of its proper divisors (1021110010217).

5105550051055 is a wasteful number, since it uses less digits than its factorization.

5105550051055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021110010216.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 5105550051055 in words is "five trillion, one hundred five billion, five hundred fifty million, fifty-one thousand, fifty-five".