42175065131047 has 2 divisors, whose sum is σ = 42175065131048. Its totient is φ = 42175065131046.

The previous prime is 42175065131041. The next prime is 42175065131099. The reversal of 42175065131047 is 74013156057124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42175065131047 is a prime.

It is a super-2 number, since 2×42175065131047² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42175065130988 and 42175065131006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42175065131041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21087532565523 + 21087532565524.

It is an arithmetic number, because the mean of its divisors is an integer number (21087532565524).

Almost surely, 2^{42175065131047} is an apocalyptic number.

42175065131047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42175065131047 is an equidigital number, since it uses as much as digits as its factorization.

42175065131047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 42175065131047 in words is "forty-two trillion, one hundred seventy-five billion, sixty-five million, one hundred thirty-one thousand, forty-seven".