10551111100 has 36 divisors (see below), whose sum is σ = 22907127600. Its totient is φ = 4218376960.

The previous prime is 10551111097. The next prime is 10551111101. The reversal of 10551111100 is 111115501.

It is a super-2 number, since 2×10551111100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188121 + ... + 237679.

It is an arithmetic number, because the mean of its divisors is an integer number (636309100).

Almost surely, 2^10551111100 is an apocalyptic number.

10551111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10551111100 is an abundant number, since it is smaller than the sum of its proper divisors (12356016500).

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

10551111100 is a wasteful number, since it uses less digits than its factorization.

10551111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51702 (or 51695 counting only the distinct ones).

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

Adding to 10551111100 its reverse (111115501), we get a palindrome (10662226601).

It can be divided in two parts, 105511 and 11100, that added together give a palindrome (116611).

The spelling of 10551111100 in words is "ten billion, five hundred fifty-one million, one hundred eleven thousand, one hundred".