71027451241 has 2 divisors, whose sum is σ = 71027451242. Its totient is φ = 71027451240.

The previous prime is 71027451223. The next prime is 71027451263. The reversal of 71027451241 is 14215472017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57358334016 + 13669117225 = 239496^2 + 116915^2 .

It is a cyclic number.

It is not a de Polignac number, because 71027451241 - 2⁷ = 71027451113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71027451197 and 71027451206.

It is not a weakly prime, because it can be changed into another prime (71027451211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35513725620 + 35513725621.

It is an arithmetic number, because the mean of its divisors is an integer number (35513725621).

Almost surely, 2^71027451241 is an apocalyptic number.

It is an amenable number.

71027451241 is a deficient number, since it is larger than the sum of its proper divisors (1).

71027451241 is an equidigital number, since it uses as much as digits as its factorization.

71027451241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 71027451241 in words is "seventy-one billion, twenty-seven million, four hundred fifty-one thousand, two hundred forty-one".