550111111005 has 16 divisors (see below), whose sum is σ = 903966367104. Its totient is φ = 285463062720.

The previous prime is 550111110959. The next prime is 550111111051. The reversal of 550111111005 is 500111111055.

It is an interprime number because it is at equal distance from previous prime (550111110959) and next prime (550111111051).

It is not a de Polignac number, because 550111111005 - 2⁷ = 550111110877 is a prime.

It is a super-2 number, since 2×550111111005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495595041 + ... + 495596150.

It is an arithmetic number, because the mean of its divisors is an integer number (56497897944).

Almost surely, 2^550111111005 is an apocalyptic number.

It is an amenable number.

550111111005 is a deficient number, since it is larger than the sum of its proper divisors (353855256099).

550111111005 is a wasteful number, since it uses less digits than its factorization.

550111111005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991191236.

The product of its (nonzero) digits is 125, while the sum is 21.

The spelling of 550111111005 in words is "five hundred fifty billion, one hundred eleven million, one hundred eleven thousand, five".