10500555555011 has 4 divisors (see below), whose sum is σ = 10501239244800. Its totient is φ = 10499871865224.

The previous prime is 10500555554927. The next prime is 10500555555029. The reversal of 10500555555011 is 11055555500501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10500555555011 is a prime.

It is a super-2 number, since 2×10500555555011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10500555555311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341821856 + ... + 341852573.

It is an arithmetic number, because the mean of its divisors is an integer number (2625309811200).

Almost surely, 2^{10500555555011} is an apocalyptic number.

10500555555011 is a deficient number, since it is larger than the sum of its proper divisors (683689789).

10500555555011 is an equidigital number, since it uses as much as digits as its factorization.

10500555555011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683689788.

The product of its (nonzero) digits is 78125, while the sum is 38.

It can be divided in two parts, 1050055 and 5555011, that added together give a palindrome (6605066).

The spelling of 10500555555011 in words is "ten trillion, five hundred billion, five hundred fifty-five million, five hundred fifty-five thousand, eleven".