42156755371 has 2 divisors, whose sum is σ = 42156755372. Its totient is φ = 42156755370.

The previous prime is 42156755357. The next prime is 42156755429. The reversal of 42156755371 is 17355765124.

42156755371 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 42156755371 - 2⁷ = 42156755243 is a prime.

It is not a weakly prime, because it can be changed into another prime (42156755321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21078377685 + 21078377686.

It is an arithmetic number, because the mean of its divisors is an integer number (21078377686).

Almost surely, 2^42156755371 is an apocalyptic number.

42156755371 is a deficient number, since it is larger than the sum of its proper divisors (1).

42156755371 is an equidigital number, since it uses as much as digits as its factorization.

42156755371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882000, while the sum is 46.

The spelling of 42156755371 in words is "forty-two billion, one hundred fifty-six million, seven hundred fifty-five thousand, three hundred seventy-one".