42251317002271 has 8 divisors (see below), whose sum is σ = 45506033664560. Its totient is φ = 38997259676352.

The previous prime is 42251317002187. The next prime is 42251317002337. The reversal of 42251317002271 is 17220071315224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42251317002271 - 2⁷ = 42251317002143 is a prime.

It is a super-3 number, since 3×42251317002271³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42251317002271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42251317072271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164700990 + ... + 164957323.

It is an arithmetic number, because the mean of its divisors is an integer number (5688254208070).

Almost surely, 2^{42251317002271} is an apocalyptic number.

42251317002271 is a deficient number, since it is larger than the sum of its proper divisors (3254716662289).

42251317002271 is a wasteful number, since it uses less digits than its factorization.

42251317002271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329668185.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 42251317002271 its reverse (17220071315224), we get a palindrome (59471388317495).

The spelling of 42251317002271 in words is "forty-two trillion, two hundred fifty-one billion, three hundred seventeen million, two thousand, two hundred seventy-one".