105722142650 has 12 divisors (see below), whose sum is σ = 196643185422. Its totient is φ = 42288857040.

The previous prime is 105722142629. The next prime is 105722142653. The reversal of 105722142650 is 56241227501.

It can be written as a sum of positive squares in 3 ways, for example, as 84106380121 + 21615762529 = 290011^2 + 147023^2 .

It is a super-2 number, since 2×105722142650² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105722142650.

It is not an unprimeable number, because it can be changed into a prime (105722142653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1057221377 + ... + 1057221476.

Almost surely, 2^105722142650 is an apocalyptic number.

105722142650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105722142650 is a deficient number, since it is larger than the sum of its proper divisors (90921042772).

105722142650 is a wasteful number, since it uses less digits than its factorization.

105722142650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114442865 (or 2114442860 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 105722142650 in words is "one hundred five billion, seven hundred twenty-two million, one hundred forty-two thousand, six hundred fifty".