10646042211 has 24 divisors (see below), whose sum is σ = 17983130880. Its totient is φ = 5941975536.

The previous prime is 10646042207. The next prime is 10646042233. The reversal of 10646042211 is 11224064601.

10646042211 is a `hidden beast` number, since 1 + 0 + 646 + 0 + 4 + 2 + 2 + 11 = 666.

It is not a de Polignac number, because 10646042211 - 2² = 10646042207 is a prime.

It is a super-2 number, since 2×10646042211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10646042111) 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 23 ways as a sum of consecutive naturals, for example, 1962231 + ... + 1967648.

It is an arithmetic number, because the mean of its divisors is an integer number (749297120).

Almost surely, 2^10646042211 is an apocalyptic number.

10646042211 is a deficient number, since it is larger than the sum of its proper divisors (7337088669).

10646042211 is a wasteful number, since it uses less digits than its factorization.

10646042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929935 (or 3929932 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 10646042211 in words is "ten billion, six hundred forty-six million, forty-two thousand, two hundred eleven".