71044961147 has 8 divisors (see below), whose sum is σ = 71459535360. Its totient is φ = 70631121960.

The previous prime is 71044961131. The next prime is 71044961149. The reversal of 71044961147 is 74116944017.

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 71044961147 - 2⁴ = 71044961131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71044961098 and 71044961107.

It is not an unprimeable number, because it can be changed into a prime (71044961149) 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, 10718 + ... + 377100.

It is an arithmetic number, because the mean of its divisors is an integer number (8932441920).

Almost surely, 2^71044961147 is an apocalyptic number.

71044961147 is a deficient number, since it is larger than the sum of its proper divisors (414574213).

71044961147 is a wasteful number, since it uses less digits than its factorization.

71044961147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367513.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 71044961147 in words is "seventy-one billion, forty-four million, nine hundred sixty-one thousand, one hundred forty-seven".