42061023113 has 2 divisors, whose sum is σ = 42061023114. Its totient is φ = 42061023112.

The previous prime is 42061023049. The next prime is 42061023149. The reversal of 42061023113 is 31132016024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39189349369 + 2871673744 = 197963^2 + 53588^2 .

It is a cyclic number.

It is not a de Polignac number, because 42061023113 - 2⁶ = 42061023049 is a prime.

It is not a weakly prime, because it can be changed into another prime (42061323113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21030511556 + 21030511557.

It is an arithmetic number, because the mean of its divisors is an integer number (21030511557).

Almost surely, 2^42061023113 is an apocalyptic number.

It is an amenable number.

42061023113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42061023113 is an equidigital number, since it uses as much as digits as its factorization.

42061023113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 42061023113 its reverse (31132016024), we get a palindrome (73193039137).

The spelling of 42061023113 in words is "forty-two billion, sixty-one million, twenty-three thousand, one hundred thirteen".