10806670513 has 12 divisors (see below), whose sum is σ = 11173370548. Its totient is φ = 10449145440.

The previous prime is 10806670499. The next prime is 10806670531. The reversal of 10806670513 is 31507660801.

It can be written as a sum of positive squares in 2 ways, for example, as 121727089 + 10684943424 = 11033^2 + 103368^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10806670513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10806670583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186895 + ... + 237787.

Almost surely, 2^10806670513 is an apocalyptic number.

It is an amenable number.

10806670513 is a deficient number, since it is larger than the sum of its proper divisors (366700035).

10806670513 is an frugal number, since it uses more digits than its factorization.

10806670513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51072 (or 51013 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 10806670513 in words is "ten billion, eight hundred six million, six hundred seventy thousand, five hundred thirteen".