71065947455 has 8 divisors (see below), whose sum is σ = 85288245504. Its totient is φ = 56846685600.

The previous prime is 71065947439. The next prime is 71065947457. The reversal of 71065947455 is 55474956017.

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

It is not a de Polignac number, because 71065947455 - 2⁴ = 71065947439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71065947397 and 71065947406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71065947457) 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, 707231 + ... + 801440.

It is an arithmetic number, because the mean of its divisors is an integer number (10661030688).

Almost surely, 2^71065947455 is an apocalyptic number.

71065947455 is a deficient number, since it is larger than the sum of its proper divisors (14222298049).

71065947455 is a wasteful number, since it uses less digits than its factorization.

71065947455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518097.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 71065947455 in words is "seventy-one billion, sixty-five million, nine hundred forty-seven thousand, four hundred fifty-five".