1108009718531 has 2 divisors, whose sum is σ = 1108009718532. Its totient is φ = 1108009718530.

The previous prime is 1108009718509. The next prime is 1108009718537. The reversal of 1108009718531 is 1358179008011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1108009718531 - 2¹⁸ = 1108009456387 is a prime.

It is a super-2 number, since 2×1108009718531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1108009718537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554004859265 + 554004859266.

It is an arithmetic number, because the mean of its divisors is an integer number (554004859266).

Almost surely, 2^{1108009718531} is an apocalyptic number.

1108009718531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108009718531 is an equidigital number, since it uses as much as digits as its factorization.

1108009718531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 44.

The spelling of 1108009718531 in words is "one trillion, one hundred eight billion, nine million, seven hundred eighteen thousand, five hundred thirty-one".