105505510055051 has 4 divisors (see below), whose sum is σ = 105604762652592. Its totient is φ = 105406257457512.

The previous prime is 105505510055039. The next prime is 105505510055111. The reversal of 105505510055051 is 150550015505501.

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

It is a cyclic number.

It is not a de Polignac number, because 105505510055051 - 2¹⁴ = 105505510038667 is a prime.

It is a super-2 number, since 2×105505510055051² (a number of 29 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 = 105505510054996 and 105505510055014.

It is not an unprimeable number, because it can be changed into a prime (105505510085051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49626297176 + ... + 49626299301.

It is an arithmetic number, because the mean of its divisors is an integer number (26401190663148).

Almost surely, 2^{105505510055051} is an apocalyptic number.

105505510055051 is a deficient number, since it is larger than the sum of its proper divisors (99252597541).

105505510055051 is an equidigital number, since it uses as much as digits as its factorization.

105505510055051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99252597540.

The product of its (nonzero) digits is 78125, while the sum is 38.

The spelling of 105505510055051 in words is "one hundred five trillion, five hundred five billion, five hundred ten million, fifty-five thousand, fifty-one".