550555555011 has 32 divisors (see below), whose sum is σ = 969045078528. Its totient is φ = 269179184640.

The previous prime is 550555554979. The next prime is 550555555031. The reversal of 550555555011 is 110555555055.

It is not a de Polignac number, because 550555555011 - 2⁵ = 550555554979 is a prime.

It is a super-2 number, since 2×550555555011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550555555031) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 70094820 + ... + 70102673.

It is an arithmetic number, because the mean of its divisors is an integer number (30282658704).

Almost surely, 2^550555555011 is an apocalyptic number.

550555555011 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

550555555011 is a deficient number, since it is larger than the sum of its proper divisors (418489523517).

550555555011 is a wasteful number, since it uses less digits than its factorization.

550555555011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140197531.

The product of its (nonzero) digits is 390625, while the sum is 42.

The spelling of 550555555011 in words is "five hundred fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, eleven".