105551320463 has 4 divisors (see below), whose sum is σ = 105609929328. Its totient is φ = 105492711600.

The previous prime is 105551320421. The next prime is 105551320493. The reversal of 105551320463 is 364023155501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364023155501 = 56569 ⋅6435029.

It is a cyclic number.

It is not a de Polignac number, because 105551320463 - 2³² = 101256353167 is a prime.

It is a super-2 number, since 2×105551320463² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105551320493) 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, 29301731 + ... + 29305332.

It is an arithmetic number, because the mean of its divisors is an integer number (26402482332).

Almost surely, 2^105551320463 is an apocalyptic number.

105551320463 is a deficient number, since it is larger than the sum of its proper divisors (58608865).

105551320463 is an equidigital number, since it uses as much as digits as its factorization.

105551320463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58608864.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 105551320463 its reverse (364023155501), we get a palindrome (469574475964).

The spelling of 105551320463 in words is "one hundred five billion, five hundred fifty-one million, three hundred twenty thousand, four hundred sixty-three".