71223545141 has 8 divisors (see below), whose sum is σ = 85682460480. Its totient is φ = 57835660608.

The previous prime is 71223545137. The next prime is 71223545143. The reversal of 71223545141 is 14154532217.

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 71223545141 - 2² = 71223545137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71223545143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267757556 + ... + 267757821.

It is an arithmetic number, because the mean of its divisors is an integer number (10710307560).

Almost surely, 2^71223545141 is an apocalyptic number.

It is an amenable number.

71223545141 is a deficient number, since it is larger than the sum of its proper divisors (14458915339).

71223545141 is a wasteful number, since it uses less digits than its factorization.

71223545141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535515403.

The product of its digits is 33600, while the sum is 35.

The spelling of 71223545141 in words is "seventy-one billion, two hundred twenty-three million, five hundred forty-five thousand, one hundred forty-one".