51063881471 has 16 divisors (see below), whose sum is σ = 56516546400. Its totient is φ = 45942422400.

The previous prime is 51063881467. The next prime is 51063881501. The reversal of 51063881471 is 17418836015.

It is a cyclic number.

It is not a de Polignac number, because 51063881471 - 2² = 51063881467 is a prime.

It is a super-3 number, since 3×51063881471³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51063881431) 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, 726020 + ... + 793241.

It is an arithmetic number, because the mean of its divisors is an integer number (3532284150).

Almost surely, 2^51063881471 is an apocalyptic number.

51063881471 is a deficient number, since it is larger than the sum of its proper divisors (5452664929).

51063881471 is a wasteful number, since it uses less digits than its factorization.

51063881471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519370.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 51063881471 in words is "fifty-one billion, sixty-three million, eight hundred eighty-one thousand, four hundred seventy-one".