10506911 has 4 divisors (see below), whose sum is σ = 10573992. Its totient is φ = 10439832.

The previous prime is 10506907. The next prime is 10506917. The reversal of 10506911 is 11960501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10506911 - 2² = 10506907 is a prime.

It is a super-2 number, since 2×10506911² = 220790357523842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33305 + ... + 33618.

It is an arithmetic number, because the mean of its divisors is an integer number (2643498).

Almost surely, 2^10506911 is an apocalyptic number.

10506911 is a deficient number, since it is larger than the sum of its proper divisors (67081).

10506911 is an equidigital number, since it uses as much as digits as its factorization.

10506911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67080.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 10506911 is about 3241.4365642412. The cubic root of 10506911 is about 219.0239890876.

The spelling of 10506911 in words is "ten million, five hundred six thousand, nine hundred eleven".