10781757268 has 6 divisors (see below), whose sum is σ = 18868075226. Its totient is φ = 5390878632.

The previous prime is 10781757197. The next prime is 10781757269. The reversal of 10781757268 is 86275718701.

It can be written as a sum of positive squares in only one way, i.e., 6134335684 + 4647421584 = 78322^2 + 68172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10781757269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347719655 + ... + 1347719662.

Almost surely, 2^10781757268 is an apocalyptic number.

It is an amenable number.

10781757268 is a deficient number, since it is larger than the sum of its proper divisors (8086317958).

10781757268 is a wasteful number, since it uses less digits than its factorization.

10781757268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695439321 (or 2695439319 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 52.

The spelling of 10781757268 in words is "ten billion, seven hundred eighty-one million, seven hundred fifty-seven thousand, two hundred sixty-eight".