71214571441 has 12 divisors (see below), whose sum is σ = 80941519092. Its totient is φ = 62276706144.

The previous prime is 71214571349. The next prime is 71214571453. The reversal of 71214571441 is 14417541217.

It can be written as a sum of positive squares in 2 ways, for example, as 19955800225 + 51258771216 = 141265^2 + 226404^2 .

It is not a de Polignac number, because 71214571441 - 2¹³ = 71214563249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71214571441.

It is not an unprimeable number, because it can be changed into a prime (71214571541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7582626 + ... + 7592011.

It is an arithmetic number, because the mean of its divisors is an integer number (6745126591).

Almost surely, 2^71214571441 is an apocalyptic number.

It is an amenable number.

71214571441 is a deficient number, since it is larger than the sum of its proper divisors (9726947651).

71214571441 is a wasteful number, since it uses less digits than its factorization.

71214571441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15174688 (or 15174669 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The spelling of 71214571441 in words is "seventy-one billion, two hundred fourteen million, five hundred seventy-one thousand, four hundred forty-one".