10782953281 has 3 divisors (see below), whose sum is σ = 10783057123. Its totient is φ = 10782849440.

The previous prime is 10782953263. The next prime is 10782953287. The reversal of 10782953281 is 18235928701.

It is a happy number.

The square root of 10782953281 is 103841.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18235928701 = 47 ⋅387998483.

It can be written as a sum of positive squares in only one way, i.e., 6758319681 + 4024633600 = 82209^2 + 63440^2 .

It is not a de Polignac number, because 10782953281 - 2⁵ = 10782953249 is a prime.

It is a super-2 number, since 2×10782953281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10782953287) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51921 + ... + 155761.

Almost surely, 2^10782953281 is an apocalyptic number.

10782953281 is the 103841-st square number.

10782953281 is the 51921-st centered octagonal number.

It is an amenable number.

10782953281 is a deficient number, since it is larger than the sum of its proper divisors (103842).

10782953281 is an frugal number, since it uses more digits than its factorization.

10782953281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207682 (or 103841 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 10782953281 in words is "ten billion, seven hundred eighty-two million, nine hundred fifty-three thousand, two hundred eighty-one".