71126940401 has 8 divisors (see below), whose sum is σ = 81676869600. Its totient is φ = 61257651840.

The previous prime is 71126940383. The next prime is 71126940421. The reversal of 71126940401 is 10404962117.

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

It is not a de Polignac number, because 71126940401 - 2⁶ = 71126940337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71126940421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170159936 + ... + 170160353.

It is an arithmetic number, because the mean of its divisors is an integer number (10209608700).

Almost surely, 2^71126940401 is an apocalyptic number.

It is an amenable number.

71126940401 is a deficient number, since it is larger than the sum of its proper divisors (10549929199).

71126940401 is a wasteful number, since it uses less digits than its factorization.

71126940401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340320319.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 71126940401 in words is "seventy-one billion, one hundred twenty-six million, nine hundred forty thousand, four hundred one".