105536066551 has 4 divisors (see below), whose sum is σ = 108388392712. Its totient is φ = 102683740392.

The previous prime is 105536066543. The next prime is 105536066557. The reversal of 105536066551 is 155660635501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105536066551 - 2³ = 105536066543 is a prime.

It is a super-2 number, since 2×105536066551² (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 = 105536066498 and 105536066507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105536066557) 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 3 ways as a sum of consecutive naturals, for example, 1426163025 + ... + 1426163098.

It is an arithmetic number, because the mean of its divisors is an integer number (27097098178).

Almost surely, 2^105536066551 is an apocalyptic number.

105536066551 is a deficient number, since it is larger than the sum of its proper divisors (2852326161).

105536066551 is an equidigital number, since it uses as much as digits as its factorization.

105536066551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852326160.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 105536066551 in words is "one hundred five billion, five hundred thirty-six million, sixty-six thousand, five hundred fifty-one".