163112890511 has 2 divisors, whose sum is σ = 163112890512. Its totient is φ = 163112890510.

The previous prime is 163112890477. The next prime is 163112890519. The reversal of 163112890511 is 115098211361.

163112890511 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163112890511 is a prime.

It is a super-2 number, since 2×163112890511² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163112890519) 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 as a sum of consecutive naturals, namely, 81556445255 + 81556445256.

It is an arithmetic number, because the mean of its divisors is an integer number (81556445256).

Almost surely, 2^163112890511 is an apocalyptic number.

163112890511 is a deficient number, since it is larger than the sum of its proper divisors (1).

163112890511 is an equidigital number, since it uses as much as digits as its factorization.

163112890511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 38.

The spelling of 163112890511 in words is "one hundred sixty-three billion, one hundred twelve million, eight hundred ninety thousand, five hundred eleven".