1043145705671 has 2 divisors, whose sum is σ = 1043145705672. Its totient is φ = 1043145705670.

The previous prime is 1043145705593. The next prime is 1043145705703. The reversal of 1043145705671 is 1765075413401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043145705671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043145705271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521572852835 + 521572852836.

It is an arithmetic number, because the mean of its divisors is an integer number (521572852836).

Almost surely, 2^{1043145705671} is an apocalyptic number.

1043145705671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043145705671 is an equidigital number, since it uses as much as digits as its factorization.

1043145705671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 1043145705671 in words is "one trillion, forty-three billion, one hundred forty-five million, seven hundred five thousand, six hundred seventy-one".