550555511011 has 16 divisors (see below), whose sum is σ = 610928265600. Its totient is φ = 491936417280.

The previous prime is 550555511003. The next prime is 550555511039. The reversal of 550555511011 is 110115555055.

It is not a de Polignac number, because 550555511011 - 2³ = 550555511003 is a prime.

It is a super-2 number, since 2×550555511011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550555511081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500961 + ... + 1162786.

It is an arithmetic number, because the mean of its divisors is an integer number (38183016600).

Almost surely, 2^550555511011 is an apocalyptic number.

550555511011 is a deficient number, since it is larger than the sum of its proper divisors (60372754589).

550555511011 is a wasteful number, since it uses less digits than its factorization.

550555511011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664274.

The product of its (nonzero) digits is 15625, while the sum is 34.

The spelling of 550555511011 in words is "five hundred fifty billion, five hundred fifty-five million, five hundred eleven thousand, eleven".