10641864211 has 6 divisors (see below), whose sum is σ = 11697255836. Its totient is φ = 9674421900.

The previous prime is 10641864197. The next prime is 10641864229. The reversal of 10641864211 is 11246814601.

It is a happy number.

It is not a de Polignac number, because 10641864211 - 2⁵ = 10641864179 is a prime.

It is a super-2 number, since 2×10641864211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10641864811) 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 5 ways as a sum of consecutive naturals, for example, 43974525 + ... + 43974766.

Almost surely, 2^10641864211 is an apocalyptic number.

10641864211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10641864211 is a deficient number, since it is larger than the sum of its proper divisors (1055391625).

10641864211 is an equidigital number, since it uses as much as digits as its factorization.

10641864211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87949313 (or 87949302 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 10641864211 in words is "ten billion, six hundred forty-one million, eight hundred sixty-four thousand, two hundred eleven".