71675067451231 has 2 divisors, whose sum is σ = 71675067451232. Its totient is φ = 71675067451230.

The previous prime is 71675067451217. The next prime is 71675067451357. The reversal of 71675067451231 is 13215476057617.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71675067451231 - 2¹⁵ = 71675067418463 is a prime.

It is a super-2 number, since 2×71675067451231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71675067451931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35837533725615 + 35837533725616.

It is an arithmetic number, because the mean of its divisors is an integer number (35837533725616).

Almost surely, 2^{71675067451231} is an apocalyptic number.

71675067451231 is a deficient number, since it is larger than the sum of its proper divisors (1).

71675067451231 is an equidigital number, since it uses as much as digits as its factorization.

71675067451231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 71675067451231 in words is "seventy-one trillion, six hundred seventy-five billion, sixty-seven million, four hundred fifty-one thousand, two hundred thirty-one".