71223550507 has 8 divisors (see below), whose sum is σ = 74329780896. Its totient is φ = 68118116352.

The previous prime is 71223550501. The next prime is 71223550543. The reversal of 71223550507 is 70505532217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71223550507 - 2¹⁹ = 71223026219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71223550501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12528 + ... + 377629.

It is an arithmetic number, because the mean of its divisors is an integer number (9291222612).

Almost surely, 2^71223550507 is an apocalyptic number.

71223550507 is a deficient number, since it is larger than the sum of its proper divisors (3106230389).

71223550507 is a wasteful number, since it uses less digits than its factorization.

71223550507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398117.

The product of its (nonzero) digits is 73500, while the sum is 37.

The spelling of 71223550507 in words is "seventy-one billion, two hundred twenty-three million, five hundred fifty thousand, five hundred seven".