10055550005505 has 24 divisors (see below), whose sum is σ = 17429789169000. Its totient is φ = 5362907953920.

The previous prime is 10055550005491. The next prime is 10055550005509. The reversal of 10055550005505 is 50550005555001.

It is a happy number.

10055550005505 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 55 + 50 + 0 + 0 + 550 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2061625018896 + 7993924986609 = 1435836^2 + 2827353^2 .

It is not a de Polignac number, because 10055550005505 - 2⁴ = 10055550005489 is a prime.

It is a super-2 number, since 2×10055550005505² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10055550005505.

It is not an unprimeable number, because it can be changed into a prime (10055550005509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3850621 + ... + 5910869.

It is an arithmetic number, because the mean of its divisors is an integer number (726241215375).

Almost surely, 2^{10055550005505} is an apocalyptic number.

10055550005505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10055550005505 is a deficient number, since it is larger than the sum of its proper divisors (7374239163495).

10055550005505 is a wasteful number, since it uses less digits than its factorization.

10055550005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168721 (or 2168718 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 10055550005505 in words is "ten trillion, fifty-five billion, five hundred fifty million, five thousand, five hundred five".