10516978975 has 12 divisors (see below), whose sum is σ = 13393516024. Its totient is φ = 8186188320.

The previous prime is 10516978973. The next prime is 10516978999. The reversal of 10516978975 is 57987961501.

It is not a de Polignac number, because 10516978975 - 2¹ = 10516978973 is a prime.

It is a super-2 number, since 2×10516978975² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10516978973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5683929 + ... + 5685778.

Almost surely, 2^10516978975 is an apocalyptic number.

10516978975 is a deficient number, since it is larger than the sum of its proper divisors (2876537049).

10516978975 is a wasteful number, since it uses less digits than its factorization.

10516978975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369754 (or 11369749 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 58.

The spelling of 10516978975 in words is "ten billion, five hundred sixteen million, nine hundred seventy-eight thousand, nine hundred seventy-five".