5161055651111 has 2 divisors, whose sum is σ = 5161055651112. Its totient is φ = 5161055651110.

The previous prime is 5161055651099. The next prime is 5161055651117. The reversal of 5161055651111 is 1111565501615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5161055651111 - 2¹⁸ = 5161055388967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5161055651117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580527825555 + 2580527825556.

It is an arithmetic number, because the mean of its divisors is an integer number (2580527825556).

Almost surely, 2^{5161055651111} is an apocalyptic number.

5161055651111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161055651111 is an equidigital number, since it uses as much as digits as its factorization.

5161055651111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 38.

The spelling of 5161055651111 in words is "five trillion, one hundred sixty-one billion, fifty-five million, six hundred fifty-one thousand, one hundred eleven".