1125072345871 has 2 divisors, whose sum is σ = 1125072345872. Its totient is φ = 1125072345870.

The previous prime is 1125072345823. The next prime is 1125072345877. The reversal of 1125072345871 is 1785432705211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125072345871 - 2⁹ = 1125072345359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125072345877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562536172935 + 562536172936.

It is an arithmetic number, because the mean of its divisors is an integer number (562536172936).

Almost surely, 2^{1125072345871} is an apocalyptic number.

1125072345871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125072345871 is an equidigital number, since it uses as much as digits as its factorization.

1125072345871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 1125072345871 in words is "one trillion, one hundred twenty-five billion, seventy-two million, three hundred forty-five thousand, eight hundred seventy-one".