71055261371 has 2 divisors, whose sum is σ = 71055261372. Its totient is φ = 71055261370.

The previous prime is 71055261349. The next prime is 71055261373. The reversal of 71055261371 is 17316255017.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71055261371 is a prime.

It is a super-2 number, since 2×71055261371² (a number of 23 digits) contains 22 as substring.

Together with 71055261373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71055261373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35527630685 + 35527630686.

It is an arithmetic number, because the mean of its divisors is an integer number (35527630686).

Almost surely, 2^71055261371 is an apocalyptic number.

71055261371 is a deficient number, since it is larger than the sum of its proper divisors (1).

71055261371 is an equidigital number, since it uses as much as digits as its factorization.

71055261371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 71055261371 in words is "seventy-one billion, fifty-five million, two hundred sixty-one thousand, three hundred seventy-one".