10647917825 has 12 divisors (see below), whose sum is σ = 13208514348. Its totient is φ = 8515046400.

The previous prime is 10647917809. The next prime is 10647917843. The reversal of 10647917825 is 52871974601.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1203187969 + 9444729856 = 34687^2 + 97184^2 .

It is not a de Polignac number, because 10647917825 - 2⁴ = 10647917809 is a prime.

It is a super-2 number, since 2×10647917825² (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 11 ways as a sum of consecutive naturals, for example, 15056 + ... + 146705.

It is an arithmetic number, because the mean of its divisors is an integer number (1100709529).

Almost surely, 2^10647917825 is an apocalyptic number.

It is an amenable number.

10647917825 is a deficient number, since it is larger than the sum of its proper divisors (2560596523).

10647917825 is a wasteful number, since it uses less digits than its factorization.

10647917825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164404 (or 164399 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 10647917825 in words is "ten billion, six hundred forty-seven million, nine hundred seventeen thousand, eight hundred twenty-five".