10781949125 has 8 divisors (see below), whose sum is σ = 13455872664. Its totient is φ = 8625559200.

The previous prime is 10781949119. The next prime is 10781949181. The reversal of 10781949125 is 52194918701.

10781949125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32821441 + 10749127684 = 5729^2 + 103678^2 .

It is not a de Polignac number, because 10781949125 - 2¹⁰ = 10781948101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10781949125.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43127672 + ... + 43127921.

It is an arithmetic number, because the mean of its divisors is an integer number (1681984083).

Almost surely, 2^10781949125 is an apocalyptic number.

It is an amenable number.

10781949125 is a deficient number, since it is larger than the sum of its proper divisors (2673923539).

10781949125 is an frugal number, since it uses more digits than its factorization.

10781949125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86255608 (or 86255598 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 47.

The spelling of 10781949125 in words is "ten billion, seven hundred eighty-one million, nine hundred forty-nine thousand, one hundred twenty-five".