42110043133 has 2 divisors, whose sum is σ = 42110043134. Its totient is φ = 42110043132.

The previous prime is 42110043109. The next prime is 42110043179. The reversal of 42110043133 is 33134001124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21573146884 + 20536896249 = 146878^2 + 143307^2 .

It is a cyclic number.

It is not a de Polignac number, because 42110043133 - 2²¹ = 42107945981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42110043193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055021566 + 21055021567.

It is an arithmetic number, because the mean of its divisors is an integer number (21055021567).

Almost surely, 2^42110043133 is an apocalyptic number.

It is an amenable number.

42110043133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42110043133 is an equidigital number, since it uses as much as digits as its factorization.

42110043133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 42110043133 its reverse (33134001124), we get a palindrome (75244044257).

The spelling of 42110043133 in words is "forty-two billion, one hundred ten million, forty-three thousand, one hundred thirty-three".