10505653311 has 4 divisors (see below), whose sum is σ = 14007537752. Its totient is φ = 7003768872.

The previous prime is 10505653267. The next prime is 10505653321. The reversal of 10505653311 is 11335650501.

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

It is not a de Polignac number, because 10505653311 - 2¹³ = 10505645119 is a prime.

It is a super-2 number, since 2×10505653311² (a number of 21 digits) 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 (10505653321) 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 3 ways as a sum of consecutive naturals, for example, 1750942216 + ... + 1750942221.

It is an arithmetic number, because the mean of its divisors is an integer number (3501884438).

Almost surely, 2^10505653311 is an apocalyptic number.

10505653311 is a deficient number, since it is larger than the sum of its proper divisors (3501884441).

10505653311 is an equidigital number, since it uses as much as digits as its factorization.

10505653311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501884440.

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 10505653311 in words is "ten billion, five hundred five million, six hundred fifty-three thousand, three hundred eleven".