105551322056 has 8 divisors (see below), whose sum is σ = 197908728870. Its totient is φ = 52775661024.

The previous prime is 105551322047. The next prime is 105551322119. The reversal of 105551322056 is 650223155501.

It can be written as a sum of positive squares in only one way, i.e., 84080281156 + 21471040900 = 289966^2 + 146530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105551322056² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6596957621 + ... + 6596957636.

Almost surely, 2^105551322056 is an apocalyptic number.

It is an amenable number.

105551322056 is a deficient number, since it is larger than the sum of its proper divisors (92357406814).

105551322056 is a wasteful number, since it uses less digits than its factorization.

105551322056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13193915263 (or 13193915259 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 105551322056 its reverse (650223155501), we get a palindrome (755774477557).

The spelling of 105551322056 in words is "one hundred five billion, five hundred fifty-one million, three hundred twenty-two thousand, fifty-six".