10500551011 has 2 divisors, whose sum is σ = 10500551012. Its totient is φ = 10500551010.

The previous prime is 10500550987. The next prime is 10500551027. The reversal of 10500551011 is 11015500501.

It is a happy number.

10500551011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (11015500501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10500551011 - 2⁹ = 10500550499 is a prime.

It is a super-2 number, since 2×10500551011² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10500551011.

It is not a weakly prime, because it can be changed into another prime (10500554011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250275505 + 5250275506.

It is an arithmetic number, because the mean of its divisors is an integer number (5250275506).

Almost surely, 2^10500551011 is an apocalyptic number.

10500551011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500551011 is an equidigital number, since it uses as much as digits as its factorization.

10500551011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 19.

The spelling of 10500551011 in words is "ten billion, five hundred million, five hundred fifty-one thousand, eleven".