81071426301 has 16 divisors (see below), whose sum is σ = 113306867520. Its totient is φ = 51503114880.

The previous prime is 81071426297. The next prime is 81071426321. The reversal of 81071426301 is 10362417018.

It is not a de Polignac number, because 81071426301 - 2² = 81071426297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81071426321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7658866 + ... + 7669443.

It is an arithmetic number, because the mean of its divisors is an integer number (7081679220).

Almost surely, 2^81071426301 is an apocalyptic number.

It is an amenable number.

81071426301 is a deficient number, since it is larger than the sum of its proper divisors (32235441219).

81071426301 is a wasteful number, since it uses less digits than its factorization.

81071426301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15328396.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 81071426301 in words is "eighty-one billion, seventy-one million, four hundred twenty-six thousand, three hundred one".