10005551055 has 64 divisors (see below), whose sum is σ = 18396979200. Its totient is φ = 5156386560.

The previous prime is 10005550999. The next prime is 10005551113. The reversal of 10005551055 is 55015550001.

10005551055 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 555 + 105 + 5 = 666.

10005551055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10005551055 - 2⁸ = 10005550799 is a prime.

It is a super-2 number, since 2×10005551055² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 491275 + ... + 511235.

It is an arithmetic number, because the mean of its divisors is an integer number (287452800).

Almost surely, 2^10005551055 is an apocalyptic number.

10005551055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10005551055 is a deficient number, since it is larger than the sum of its proper divisors (8391428145).

10005551055 is a wasteful number, since it uses less digits than its factorization.

10005551055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20101 (or 20095 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 10005551055 in words is "ten billion, five million, five hundred fifty-one thousand, fifty-five".