61005110143 has 2 divisors, whose sum is σ = 61005110144. Its totient is φ = 61005110142.

The previous prime is 61005110071. The next prime is 61005110161. The reversal of 61005110143 is 34101150016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61005110143 - 2²¹ = 61003012991 is a prime.

It is a super-2 number, since 2×61005110143² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61005110743) 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, 30502555071 + 30502555072.

It is an arithmetic number, because the mean of its divisors is an integer number (30502555072).

Almost surely, 2^61005110143 is an apocalyptic number.

61005110143 is a deficient number, since it is larger than the sum of its proper divisors (1).

61005110143 is an equidigital number, since it uses as much as digits as its factorization.

61005110143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 61005110143 its reverse (34101150016), we get a palindrome (95106260159).

The spelling of 61005110143 in words is "sixty-one billion, five million, one hundred ten thousand, one hundred forty-three".