1123307635871 has 2 divisors, whose sum is σ = 1123307635872. Its totient is φ = 1123307635870.

The previous prime is 1123307635787. The next prime is 1123307635889. The reversal of 1123307635871 is 1785367033211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123307635871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123307635271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561653817935 + 561653817936.

It is an arithmetic number, because the mean of its divisors is an integer number (561653817936).

Almost surely, 2^{1123307635871} is an apocalyptic number.

1123307635871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123307635871 is an equidigital number, since it uses as much as digits as its factorization.

1123307635871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 1123307635871 in words is "one trillion, one hundred twenty-three billion, three hundred seven million, six hundred thirty-five thousand, eight hundred seventy-one".