10728531245 has 8 divisors (see below), whose sum is σ = 12875129880. Its totient is φ = 8582230080.

The previous prime is 10728531227. The next prime is 10728531251. The reversal of 10728531245 is 54213582701.

It can be written as a sum of positive squares in 4 ways, for example, as 2180049481 + 8548481764 = 46691^2 + 92458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10728531245 - 2¹² = 10728527149 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10728531199 and 10728531208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14675 + ... + 147215.

It is an arithmetic number, because the mean of its divisors is an integer number (1609391235).

Almost surely, 2^10728531245 is an apocalyptic number.

It is an amenable number.

10728531245 is a deficient number, since it is larger than the sum of its proper divisors (2146598635).

10728531245 is a wasteful number, since it uses less digits than its factorization.

10728531245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148735.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 10728531245 in words is "ten billion, seven hundred twenty-eight million, five hundred thirty-one thousand, two hundred forty-five".