10516550909 has 4 divisors (see below), whose sum is σ = 10522876416. Its totient is φ = 10510225404.

The previous prime is 10516550873. The next prime is 10516550911. The reversal of 10516550909 is 90905561501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10516550909 - 2²⁴ = 10499773693 is a prime.

It is a super-2 number, since 2×10516550909² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10516550929) 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, 3160259 + ... + 3163584.

It is an arithmetic number, because the mean of its divisors is an integer number (2630719104).

Almost surely, 2^10516550909 is an apocalyptic number.

It is an amenable number.

10516550909 is a deficient number, since it is larger than the sum of its proper divisors (6325507).

10516550909 is an equidigital number, since it uses as much as digits as its factorization.

10516550909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325506.

The product of its (nonzero) digits is 60750, while the sum is 41.

The spelling of 10516550909 in words is "ten billion, five hundred sixteen million, five hundred fifty thousand, nine hundred nine".