1318422252887 has 2 divisors, whose sum is σ = 1318422252888. Its totient is φ = 1318422252886.

The previous prime is 1318422252827. The next prime is 1318422252899. The reversal of 1318422252887 is 7882522248131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1318422252887 - 2²⁴ = 1318405475671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318422252827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659211126443 + 659211126444.

It is an arithmetic number, because the mean of its divisors is an integer number (659211126444).

Almost surely, 2^{1318422252887} is an apocalyptic number.

1318422252887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318422252887 is an equidigital number, since it uses as much as digits as its factorization.

1318422252887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3440640, while the sum is 53.

The spelling of 1318422252887 in words is "one trillion, three hundred eighteen billion, four hundred twenty-two million, two hundred fifty-two thousand, eight hundred eighty-seven".