42552530117 has 2 divisors, whose sum is σ = 42552530118. Its totient is φ = 42552530116.

The previous prime is 42552530113. The next prime is 42552530191. The reversal of 42552530117 is 71103525524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39098734756 + 3453795361 = 197734^2 + 58769^2 .

It is a cyclic number.

It is not a de Polignac number, because 42552530117 - 2² = 42552530113 is a prime.

It is a super-3 number, since 3×42552530117³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42552530113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21276265058 + 21276265059.

It is an arithmetic number, because the mean of its divisors is an integer number (21276265059).

Almost surely, 2^42552530117 is an apocalyptic number.

It is an amenable number.

42552530117 is a deficient number, since it is larger than the sum of its proper divisors (1).

42552530117 is an equidigital number, since it uses as much as digits as its factorization.

42552530117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 42552530117 in words is "forty-two billion, five hundred fifty-two million, five hundred thirty thousand, one hundred seventeen".