10665945625 has 10 divisors (see below), whose sum is σ = 13328166434. Its totient is φ = 8532756000.

The previous prime is 10665945613. The next prime is 10665945649. The reversal of 10665945625 is 52654956601.

It can be written as a sum of positive squares in 5 ways, for example, as 3196319296 + 7469626329 = 56536^2 + 86427^2 .

It is not a de Polignac number, because 10665945625 - 2⁵ = 10665945593 is a prime.

It is a super-2 number, since 2×10665945625² (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 9 ways as a sum of consecutive naturals, for example, 8532132 + ... + 8533381.

Almost surely, 2^10665945625 is an apocalyptic number.

It is an amenable number.

10665945625 is a deficient number, since it is larger than the sum of its proper divisors (2662220809).

10665945625 is an frugal number, since it uses more digits than its factorization.

10665945625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17065533 (or 17065518 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 10665945625 in words is "ten billion, six hundred sixty-five million, nine hundred forty-five thousand, six hundred twenty-five".