551106111050 has 48 divisors (see below), whose sum is σ = 1121164526592. Its totient is φ = 199878902400.

The previous prime is 551106111047. The next prime is 551106111053. The reversal of 551106111050 is 50111601155.

It is an interprime number because it is at equal distance from previous prime (551106111047) and next prime (551106111053).

It is not an unprimeable number, because it can be changed into a prime (551106111053) 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 23 ways as a sum of consecutive naturals, for example, 1097459 + ... + 1518758.

It is an arithmetic number, because the mean of its divisors is an integer number (23357594304).

Almost surely, 2^551106111050 is an apocalyptic number.

551106111050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551106111050 is an abundant number, since it is smaller than the sum of its proper divisors (570058415542).

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

551106111050 is a wasteful number, since it uses less digits than its factorization.

551106111050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616623 (or 2616618 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

It can be divided in two parts, 551 and 106111050, that added together give a palindrome (106111601).

The spelling of 551106111050 in words is "five hundred fifty-one billion, one hundred six million, one hundred eleven thousand, fifty".