42155034541 has 2 divisors, whose sum is σ = 42155034542. Its totient is φ = 42155034540.

The previous prime is 42155034533. The next prime is 42155034553. The reversal of 42155034541 is 14543055124.

42155034541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22605122500 + 19549912041 = 150350^2 + 139821^2 .

It is a cyclic number.

It is not a de Polignac number, because 42155034541 - 2³ = 42155034533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42155034497 and 42155034506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42155034511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077517270 + 21077517271.

It is an arithmetic number, because the mean of its divisors is an integer number (21077517271).

Almost surely, 2^42155034541 is an apocalyptic number.

It is an amenable number.

42155034541 is a deficient number, since it is larger than the sum of its proper divisors (1).

42155034541 is an equidigital number, since it uses as much as digits as its factorization.

42155034541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 42155034541 its reverse (14543055124), we get a palindrome (56698089665).

The spelling of 42155034541 in words is "forty-two billion, one hundred fifty-five million, thirty-four thousand, five hundred forty-one".