105727722550 has 12 divisors (see below), whose sum is σ = 196653564036. Its totient is φ = 42291089000.

The previous prime is 105727722509. The next prime is 105727722553. The reversal of 105727722550 is 55227727501.

It is a super-2 number, since 2×105727722550² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105727722497 and 105727722506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105727722553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1057277176 + ... + 1057277275.

It is an arithmetic number, because the mean of its divisors is an integer number (16387797003).

Almost surely, 2^105727722550 is an apocalyptic number.

105727722550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105727722550 is a deficient number, since it is larger than the sum of its proper divisors (90925841486).

105727722550 is a wasteful number, since it uses less digits than its factorization.

105727722550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114554463 (or 2114554458 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 43.

The spelling of 105727722550 in words is "one hundred five billion, seven hundred twenty-seven million, seven hundred twenty-two thousand, five hundred fifty".