10542578768 has 20 divisors (see below), whose sum is σ = 20628489588. Its totient is φ = 5219097600.

The previous prime is 10542578729. The next prime is 10542578777. The reversal of 10542578768 is 86787524501.

It can be written as a sum of positive squares in 2 ways, for example, as 7432508944 + 3110069824 = 86212^2 + 55768^2 .

It is a super-2 number, since 2×10542578768² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3260321 + ... + 3263552.

Almost surely, 2^10542578768 is an apocalyptic number.

It is an amenable number.

10542578768 is a deficient number, since it is larger than the sum of its proper divisors (10085910820).

10542578768 is a wasteful number, since it uses less digits than its factorization.

10542578768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6523982 (or 6523976 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 10542578768 in words is "ten billion, five hundred forty-two million, five hundred seventy-eight thousand, seven hundred sixty-eight".