10807212861 has 14 divisors (see below), whose sum is σ = 16203408030. Its totient is φ = 7204808088.

The previous prime is 10807212859. The next prime is 10807212869. The reversal of 10807212861 is 16821270801.

10807212861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10805602500 + 1610361 = 103950^2 + 1269^2 .

It is not a de Polignac number, because 10807212861 - 2¹ = 10807212859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10807212869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7411626 + ... + 7413083.

Almost surely, 2^10807212861 is an apocalyptic number.

It is an amenable number.

10807212861 is a deficient number, since it is larger than the sum of its proper divisors (5396195169).

10807212861 is an frugal number, since it uses more digits than its factorization.

10807212861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824727 (or 14824712 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 10807212861 in words is "ten billion, eight hundred seven million, two hundred twelve thousand, eight hundred sixty-one".