71719126051 has 2 divisors, whose sum is σ = 71719126052. Its totient is φ = 71719126050.

The previous prime is 71719126043. The next prime is 71719126067. The reversal of 71719126051 is 15062191717.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71719126051 - 2³ = 71719126043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71719125995 and 71719126013.

It is not a weakly prime, because it can be changed into another prime (71719126151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35859563025 + 35859563026.

It is an arithmetic number, because the mean of its divisors is an integer number (35859563026).

Almost surely, 2^71719126051 is an apocalyptic number.

71719126051 is a deficient number, since it is larger than the sum of its proper divisors (1).

71719126051 is an equidigital number, since it uses as much as digits as its factorization.

71719126051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 40.

The spelling of 71719126051 in words is "seventy-one billion, seven hundred nineteen million, one hundred twenty-six thousand, fifty-one".