105551322133 has 4 divisors (see below), whose sum is σ = 105552450540. Its totient is φ = 105550193728.

The previous prime is 105551322119. The next prime is 105551322143. The reversal of 105551322133 is 331223155501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102978093604 + 2573228529 = 320902^2 + 50727^2 .

It is a cyclic number.

It is not a de Polignac number, because 105551322133 - 2⁹ = 105551321621 is a prime.

It is a super-2 number, since 2×105551322133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105551322095 and 105551322104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105551322143) 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 3 ways as a sum of consecutive naturals, for example, 409810 + ... + 615667.

It is an arithmetic number, because the mean of its divisors is an integer number (26388112635).

Almost surely, 2^105551322133 is an apocalyptic number.

It is an amenable number.

105551322133 is a deficient number, since it is larger than the sum of its proper divisors (1128407).

105551322133 is a wasteful number, since it uses less digits than its factorization.

105551322133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128406.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 105551322133 its reverse (331223155501), we get a palindrome (436774477634).

The spelling of 105551322133 in words is "one hundred five billion, five hundred fifty-one million, three hundred twenty-two thousand, one hundred thirty-three".