61101163 has 2 divisors, whose sum is σ = 61101164. Its totient is φ = 61101162.

The previous prime is 61101143. The next prime is 61101191. The reversal of 61101163 is 36110116.

61101163 is nontrivially palindromic in base 4.

61101163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61101163 - 2²⁵ = 27546731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61101163.

It is not a weakly prime, because it can be changed into another prime (61101143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30550581 + 30550582.

It is an arithmetic number, because the mean of its divisors is an integer number (30550582).

Almost surely, 2^61101163 is an apocalyptic number.

61101163 is a deficient number, since it is larger than the sum of its proper divisors (1).

61101163 is an equidigital number, since it uses as much as digits as its factorization.

61101163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 61101163 is about 7816.7232904843. The cubic root of 61101163 is about 393.8672089799.

Adding to 61101163 its reverse (36110116), we get a palindrome (97211279).

The spelling of 61101163 in words is "sixty-one million, one hundred one thousand, one hundred sixty-three".