5071281663321 has 12 divisors (see below), whose sum is σ = 7325801014272. Its totient is φ = 3380569954776.

The previous prime is 5071281663311. The next prime is 5071281663359. The reversal of 5071281663321 is 1233661821705.

It is a happy number.

5071281663321 is a `hidden beast` number, since 5 + 0 + 7 + 1 + 2 + 8 + 1 + 6 + 633 + 2 + 1 = 666.

It is not a de Polignac number, because 5071281663321 - 2⁶ = 5071281663257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5071281663311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23594361 + ... + 23808326.

It is an arithmetic number, because the mean of its divisors is an integer number (610483417856).

Almost surely, 2^{5071281663321} is an apocalyptic number.

It is an amenable number.

5071281663321 is a deficient number, since it is larger than the sum of its proper divisors (2254519350951).

5071281663321 is a wasteful number, since it uses less digits than its factorization.

5071281663321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47414580 (or 47414577 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 5071281663321 in words is "five trillion, seventy-one billion, two hundred eighty-one million, six hundred sixty-three thousand, three hundred twenty-one".