1061318588868 has 60 divisors (see below), whose sum is σ = 2774810707900. Its totient is φ = 353732790528.

The previous prime is 1061318588861. The next prime is 1061318588921. The reversal of 1061318588868 is 8688858131601.

1061318588868 is a `hidden beast` number, since 1 + 0 + 613 + 1 + 8 + 5 + 8 + 8 + 8 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 874445673924 + 186872914944 = 935118^2 + 432288^2 .

It is a super-2 number, since 2×1061318588868² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061318588861) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2750880 + ... + 3112872.

Almost surely, 2^{1061318588868} is an apocalyptic number.

1061318588868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1061318588868 is an abundant number, since it is smaller than the sum of its proper divisors (1713492119032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061318588868 is a wasteful number, since it uses less digits than its factorization.

1061318588868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371058 (or 371047 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 63.

The spelling of 1061318588868 in words is "one trillion, sixty-one billion, three hundred eighteen million, five hundred eighty-eight thousand, eight hundred sixty-eight".