10506500211 has 12 divisors (see below), whose sum is σ = 14644223048. Its totient is φ = 6699796224.

The previous prime is 10506500197. The next prime is 10506500231. The reversal of 10506500211 is 11200560501.

It is not a de Polignac number, because 10506500211 - 2¹³ = 10506492019 is a prime.

It is a super-2 number, since 2×10506500211² (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 (10506500231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3308590 + ... + 3311763.

Almost surely, 2^10506500211 is an apocalyptic number.

10506500211 is a deficient number, since it is larger than the sum of its proper divisors (4137722837).

10506500211 is an equidigital number, since it uses as much as digits as its factorization.

10506500211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620402 (or 6620379 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 10506500211 in words is "ten billion, five hundred six million, five hundred thousand, two hundred eleven".