1471843881551 has 2 divisors, whose sum is σ = 1471843881552. Its totient is φ = 1471843881550.

The previous prime is 1471843881539. The next prime is 1471843881601. The reversal of 1471843881551 is 1551883481741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1471843881551 - 2¹⁰ = 1471843880527 is a prime.

It is a super-2 number, since 2×1471843881551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1471843881251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735921940775 + 735921940776.

It is an arithmetic number, because the mean of its divisors is an integer number (735921940776).

Almost surely, 2^{1471843881551} is an apocalyptic number.

1471843881551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471843881551 is an equidigital number, since it uses as much as digits as its factorization.

1471843881551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4300800, while the sum is 56.

The spelling of 1471843881551 in words is "one trillion, four hundred seventy-one billion, eight hundred forty-three million, eight hundred eighty-one thousand, five hundred fifty-one".