42154410113 has 2 divisors, whose sum is σ = 42154410114. Its totient is φ = 42154410112.

The previous prime is 42154410091. The next prime is 42154410127. The reversal of 42154410113 is 31101445124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42137004529 + 17405584 = 205273^2 + 4172^2 .

It is a cyclic number.

It is not a de Polignac number, because 42154410113 - 2¹⁸ = 42154147969 is a prime.

It is not a weakly prime, because it can be changed into another prime (42154410163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077205056 + 21077205057.

It is an arithmetic number, because the mean of its divisors is an integer number (21077205057).

Almost surely, 2^42154410113 is an apocalyptic number.

It is an amenable number.

42154410113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42154410113 is an equidigital number, since it uses as much as digits as its factorization.

42154410113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 42154410113 its reverse (31101445124), we get a palindrome (73255855237).

The spelling of 42154410113 in words is "forty-two billion, one hundred fifty-four million, four hundred ten thousand, one hundred thirteen".