71447280503 has 2 divisors, whose sum is σ = 71447280504. Its totient is φ = 71447280502.

The previous prime is 71447280493. The next prime is 71447280511. The reversal of 71447280503 is 30508274417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71447280503 - 2¹⁸ = 71447018359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71447280403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35723640251 + 35723640252.

It is an arithmetic number, because the mean of its divisors is an integer number (35723640252).

Almost surely, 2^71447280503 is an apocalyptic number.

71447280503 is a deficient number, since it is larger than the sum of its proper divisors (1).

71447280503 is an equidigital number, since it uses as much as digits as its factorization.

71447280503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 71447280503 in words is "seventy-one billion, four hundred forty-seven million, two hundred eighty thousand, five hundred three".