10516555012 has 12 divisors (see below), whose sum is σ = 19038591180. Its totient is φ = 5076957536.

The previous prime is 10516554989. The next prime is 10516555013. The reversal of 10516555012 is 21055561501.

It can be written as a sum of positive squares in 2 ways, for example, as 1698593796 + 8817961216 = 41214^2 + 93904^2 .

It is a super-2 number, since 2×10516555012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10516555013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45329863 + ... + 45330094.

It is an arithmetic number, because the mean of its divisors is an integer number (1586549265).

Almost surely, 2^10516555012 is an apocalyptic number.

It is an amenable number.

10516555012 is a deficient number, since it is larger than the sum of its proper divisors (8522036168).

10516555012 is a wasteful number, since it uses less digits than its factorization.

10516555012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90659990 (or 90659988 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 10516555012 in words is "ten billion, five hundred sixteen million, five hundred fifty-five thousand, twelve".