61005110041 has 2 divisors, whose sum is σ = 61005110042. Its totient is φ = 61005110040.

The previous prime is 61005110021. The next prime is 61005110063. The reversal of 61005110041 is 14001150016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33527074816 + 27478035225 = 183104^2 + 165765^2 .

It is a cyclic number.

It is not a de Polignac number, because 61005110041 - 2¹¹ = 61005107993 is a prime.

It is a super-2 number, since 2×61005110041² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61005110021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30502555020 + 30502555021.

It is an arithmetic number, because the mean of its divisors is an integer number (30502555021).

Almost surely, 2^61005110041 is an apocalyptic number.

It is an amenable number.

61005110041 is a deficient number, since it is larger than the sum of its proper divisors (1).

61005110041 is an equidigital number, since it uses as much as digits as its factorization.

61005110041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 61005110041 its reverse (14001150016), we get a palindrome (75006260057).

The spelling of 61005110041 in words is "sixty-one billion, five million, one hundred ten thousand, forty-one".