10505550055655 has 4 divisors (see below), whose sum is σ = 12606660066792. Its totient is φ = 8404440044520.

The previous prime is 10505550055613. The next prime is 10505550055681. The reversal of 10505550055655 is 55655005550501.

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

It is not a de Polignac number, because 10505550055655 - 2⁴² = 6107503544551 is a prime.

It is a super-2 number, since 2×10505550055655² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1050555005561 + ... + 1050555005570.

It is an arithmetic number, because the mean of its divisors is an integer number (3151665016698).

Almost surely, 2^{10505550055655} is an apocalyptic number.

10505550055655 is a deficient number, since it is larger than the sum of its proper divisors (2101110011137).

10505550055655 is an equidigital number, since it uses as much as digits as its factorization.

10505550055655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101110011136.

The product of its (nonzero) digits is 2343750, while the sum is 47.

The spelling of 10505550055655 in words is "ten trillion, five hundred five billion, five hundred fifty million, fifty-five thousand, six hundred fifty-five".