105551322064 has 10 divisors (see below), whose sum is σ = 204505686530. Its totient is φ = 52775661024.

The previous prime is 105551322047. The next prime is 105551322119. The reversal of 105551322064 is 460223155501.

It can be written as a sum of positive squares in only one way, i.e., 103207987600 + 2343334464 = 321260^2 + 48408^2 .

It is a super-2 number, since 2×105551322064² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3298478799 + ... + 3298478830.

It is an arithmetic number, because the mean of its divisors is an integer number (20450568653).

Almost surely, 2^105551322064 is an apocalyptic number.

It is an amenable number.

105551322064 is a deficient number, since it is larger than the sum of its proper divisors (98954364466).

105551322064 is an equidigital number, since it uses as much as digits as its factorization.

105551322064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596957637 (or 6596957631 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 105551322064 its reverse (460223155501), we get a palindrome (565774477565).

The spelling of 105551322064 in words is "one hundred five billion, five hundred fifty-one million, three hundred twenty-two thousand, sixty-four".