10506550111 has 2 divisors, whose sum is σ = 10506550112. Its totient is φ = 10506550110.

The previous prime is 10506550013. The next prime is 10506550133. The reversal of 10506550111 is 11105560501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10506550111 is a prime.

It is a super-2 number, since 2×10506550111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10506500111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253275055 + 5253275056.

It is an arithmetic number, because the mean of its divisors is an integer number (5253275056).

Almost surely, 2^10506550111 is an apocalyptic number.

10506550111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10506550111 is an equidigital number, since it uses as much as digits as its factorization.

10506550111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 10506550111 in words is "ten billion, five hundred six million, five hundred fifty thousand, one hundred eleven".