71135559901 has 8 divisors (see below), whose sum is σ = 81391993344. Its totient is φ = 60902679120.

The previous prime is 71135559893. The next prime is 71135559907. The reversal of 71135559901 is 10995553117.

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 71135559901 - 2³ = 71135559893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71135559907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5881690 + ... + 5893771.

It is an arithmetic number, because the mean of its divisors is an integer number (10173999168).

Almost surely, 2^71135559901 is an apocalyptic number.

It is an amenable number.

71135559901 is a deficient number, since it is larger than the sum of its proper divisors (10256433443).

71135559901 is a wasteful number, since it uses less digits than its factorization.

71135559901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11776331.

The product of its (nonzero) digits is 212625, while the sum is 46.

The spelling of 71135559901 in words is "seventy-one billion, one hundred thirty-five million, five hundred fifty-nine thousand, nine hundred one".