10500506051111 has 2 divisors, whose sum is σ = 10500506051112. Its totient is φ = 10500506051110.

The previous prime is 10500506051083. The next prime is 10500506051177. The reversal of 10500506051111 is 11115060500501.

It is a weak prime.

It is an emirp because it is prime and its reverse (11115060500501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10500506051111 - 2¹⁴ = 10500506034727 is a prime.

It is a super-2 number, since 2×10500506051111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10500506051011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250253025555 + 5250253025556.

It is an arithmetic number, because the mean of its divisors is an integer number (5250253025556).

Almost surely, 2^{10500506051111} is an apocalyptic number.

10500506051111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500506051111 is an equidigital number, since it uses as much as digits as its factorization.

10500506051111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 10500506051111 its reverse (11115060500501), we get a palindrome (21615566551612).

The spelling of 10500506051111 in words is "ten trillion, five hundred billion, five hundred six million, fifty-one thousand, one hundred eleven".