11025505061 has 2 divisors, whose sum is σ = 11025505062. Its totient is φ = 11025505060.

The previous prime is 11025505019. The next prime is 11025505063. The reversal of 11025505061 is 16050552011.

11025505061 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 can be written as a sum of positive squares in only one way, i.e., 10869105025 + 156400036 = 104255^2 + 12506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11025505061 is a prime.

It is a super-2 number, since 2×11025505061² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 11025505063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11025505061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11025505063) 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, 5512752530 + 5512752531.

It is an arithmetic number, because the mean of its divisors is an integer number (5512752531).

Almost surely, 2^11025505061 is an apocalyptic number.

It is an amenable number.

11025505061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11025505061 is an equidigital number, since it uses as much as digits as its factorization.

11025505061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 11025505061 in words is "eleven billion, twenty-five million, five hundred five thousand, sixty-one".