10671231905 has 4 divisors (see below), whose sum is σ = 12805478292. Its totient is φ = 8536985520.

The previous prime is 10671231887. The next prime is 10671231929. The reversal of 10671231905 is 50913217601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4512749329 + 6158482576 = 67177^2 + 78476^2 .

It is not a de Polignac number, because 10671231905 - 2¹⁶ = 10671166369 is a prime.

It is a super-2 number, since 2×10671231905² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067123186 + ... + 1067123195.

It is an arithmetic number, because the mean of its divisors is an integer number (3201369573).

Almost surely, 2^10671231905 is an apocalyptic number.

It is an amenable number.

10671231905 is a deficient number, since it is larger than the sum of its proper divisors (2134246387).

10671231905 is an equidigital number, since it uses as much as digits as its factorization.

10671231905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134246386.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 10671231905 in words is "ten billion, six hundred seventy-one million, two hundred thirty-one thousand, nine hundred five".