42522614531161 has 4 divisors (see below), whose sum is σ = 42523077625524. Its totient is φ = 42522151436800.

The previous prime is 42522614531153. The next prime is 42522614531191. The reversal of 42522614531161 is 16113541622524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20322686108761 + 22199928422400 = 4508069^2 + 4711680^2 .

It is a cyclic number.

It is not a de Polignac number, because 42522614531161 - 2³ = 42522614531153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42522614531191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231409420 + ... + 231593101.

It is an arithmetic number, because the mean of its divisors is an integer number (10630769406381).

Almost surely, 2^{42522614531161} is an apocalyptic number.

It is an amenable number.

42522614531161 is a deficient number, since it is larger than the sum of its proper divisors (463094363).

42522614531161 is an equidigital number, since it uses as much as digits as its factorization.

42522614531161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463094362.

The product of its digits is 345600, while the sum is 43.

The spelling of 42522614531161 in words is "forty-two trillion, five hundred twenty-two billion, six hundred fourteen million, five hundred thirty-one thousand, one hundred sixty-one".