10725038661 has 16 divisors (see below), whose sum is σ = 15057815040. Its totient is φ = 6771400560.

The previous prime is 10725038603. The next prime is 10725038663. The reversal of 10725038661 is 16683052701.

10725038661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10725038661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10725038663) 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 15 ways as a sum of consecutive naturals, for example, 145216 + ... + 206246.

It is an arithmetic number, because the mean of its divisors is an integer number (941113440).

Almost surely, 2^10725038661 is an apocalyptic number.

It is an amenable number.

10725038661 is a deficient number, since it is larger than the sum of its proper divisors (4332776379).

10725038661 is a wasteful number, since it uses less digits than its factorization.

10725038661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64136.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 10725038661 in words is "ten billion, seven hundred twenty-five million, thirty-eight thousand, six hundred sixty-one".