10516781048 has 32 divisors (see below), whose sum is σ = 20762470800. Its totient is φ = 4980273408.

The previous prime is 10516781047. The next prime is 10516781057. The reversal of 10516781048 is 84018761501.

It is a super-2 number, since 2×10516781048² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10516780996 and 10516781014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10516781047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748940 + ... + 762852.

Almost surely, 2^10516781048 is an apocalyptic number.

It is an amenable number.

10516781048 is a deficient number, since it is larger than the sum of its proper divisors (10245689752).

10516781048 is a wasteful number, since it uses less digits than its factorization.

10516781048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18911 (or 18907 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 10516781048 in words is "ten billion, five hundred sixteen million, seven hundred eighty-one thousand, forty-eight".