71074253646561 has 8 divisors (see below), whose sum is σ = 103380732576864. Its totient is φ = 43075305240320.

The previous prime is 71074253646533. The next prime is 71074253646563. The reversal of 71074253646561 is 16564635247017.

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 71074253646561 - 2⁷ = 71074253646433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71074253646563) 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 7 ways as a sum of consecutive naturals, for example, 1076882630976 + ... + 1076882631041.

It is an arithmetic number, because the mean of its divisors is an integer number (12922591572108).

Almost surely, 2^{71074253646561} is an apocalyptic number.

It is an amenable number.

71074253646561 is a deficient number, since it is larger than the sum of its proper divisors (32306478930303).

71074253646561 is a wasteful number, since it uses less digits than its factorization.

71074253646561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153765262031.

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 71074253646561 in words is "seventy-one trillion, seventy-four billion, two hundred fifty-three million, six hundred forty-six thousand, five hundred sixty-one".