10825907665 has 16 divisors (see below), whose sum is σ = 13174146000. Its totient is φ = 8538780672.

The previous prime is 10825907657. The next prime is 10825907681. The reversal of 10825907665 is 56670952801.

It can be written as a sum of positive squares in 8 ways, for example, as 30074256 + 10795833409 = 5484^2 + 103903^2 .

It is a cyclic number.

It is not a de Polignac number, because 10825907665 - 2³ = 10825907657 is a prime.

It is a super-2 number, since 2×10825907665² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430311 + ... + 1437859.

It is an arithmetic number, because the mean of its divisors is an integer number (823384125).

Almost surely, 2^10825907665 is an apocalyptic number.

It is an amenable number.

10825907665 is a deficient number, since it is larger than the sum of its proper divisors (2348238335).

10825907665 is an equidigital number, since it uses as much as digits as its factorization.

10825907665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11556.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 10825907665 in words is "ten billion, eight hundred twenty-five million, nine hundred seven thousand, six hundred sixty-five".