10812684961 has 4 divisors (see below), whose sum is σ = 11644429972. Its totient is φ = 9980939952.

The previous prime is 10812684923. The next prime is 10812684983. The reversal of 10812684961 is 16948621801.

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 1532252736 + 9280432225 = 39144^2 + 96335^2 .

It is a cyclic number.

It is not a de Polignac number, because 10812684961 - 2⁷ = 10812684833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10812684061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415872486 + ... + 415872511.

It is an arithmetic number, because the mean of its divisors is an integer number (2911107493).

Almost surely, 2^10812684961 is an apocalyptic number.

It is an amenable number.

10812684961 is a deficient number, since it is larger than the sum of its proper divisors (831745011).

10812684961 is an equidigital number, since it uses as much as digits as its factorization.

10812684961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831745010.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 10812684961 in words is "ten billion, eight hundred twelve million, six hundred eighty-four thousand, nine hundred sixty-one".