1311358848858 has 40 divisors (see below), whose sum is σ = 3093068637120. Its totient is φ = 414113319720.

The previous prime is 1311358848803. The next prime is 1311358848883. The reversal of 1311358848858 is 8588488531131.

1311358848858 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 3 + 588 + 48 + 8 + 5 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1311358848795 and 1311358848804.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213018178 + ... + 213024333.

It is an arithmetic number, because the mean of its divisors is an integer number (77326715928).

Almost surely, 2^{1311358848858} is an apocalyptic number.

1311358848858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1311358848858 is an abundant number, since it is smaller than the sum of its proper divisors (1781709788262).

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

1311358848858 is a wasteful number, since it uses less digits than its factorization.

1311358848858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426042544 (or 426042535 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 63.

The spelling of 1311358848858 in words is "one trillion, three hundred eleven billion, three hundred fifty-eight million, eight hundred forty-eight thousand, eight hundred fifty-eight".