551110111000 has 64 divisors (see below), whose sum is σ = 1293055901280. Its totient is φ = 219852892800.

The previous prime is 551110110989. The next prime is 551110111033. The reversal of 551110111000 is 111011155.

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, 365754 + ... + 1111753.

Almost surely, 2^551110111000 is an apocalyptic number.

551110111000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551110111000 is an abundant number, since it is smaller than the sum of its proper divisors (741945790280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551110111000 is a wasteful number, since it uses less digits than its factorization.

551110111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477901 (or 1477887 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 16.

Adding to 551110111000 its reverse (111011155), we get a palindrome (551221122155).

The spelling of 551110111000 in words is "five hundred fifty-one billion, one hundred ten million, one hundred eleven thousand".