42155455151 has 2 divisors, whose sum is σ = 42155455152. Its totient is φ = 42155455150.

The previous prime is 42155455117. The next prime is 42155455187. The reversal of 42155455151 is 15155455124.

42155455151 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 is a cyclic number.

It is not a de Polignac number, because 42155455151 - 2¹⁸ = 42155193007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42155455451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077727575 + 21077727576.

It is an arithmetic number, because the mean of its divisors is an integer number (21077727576).

Almost surely, 2^42155455151 is an apocalyptic number.

42155455151 is a deficient number, since it is larger than the sum of its proper divisors (1).

42155455151 is an equidigital number, since it uses as much as digits as its factorization.

42155455151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100000, while the sum is 38.

The spelling of 42155455151 in words is "forty-two billion, one hundred fifty-five million, four hundred fifty-five thousand, one hundred fifty-one".