1311958002448 has 40 divisors (see below), whose sum is σ = 2691636438528. Its totient is φ = 617347686912.

The previous prime is 1311958002413. The next prime is 1311958002461. The reversal of 1311958002448 is 8442008591131.

It is a junction number, because it is equal to n+sod(n) for n = 1311958002398 and 1311958002407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789865 + ... + 4121527.

Almost surely, 2^{1311958002448} is an apocalyptic number.

It is an amenable number.

1311958002448 is an abundant number, since it is smaller than the sum of its proper divisors (1379678436080).

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

1311958002448 is a wasteful number, since it uses less digits than its factorization.

1311958002448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346231 (or 346225 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 1311958002448 in words is "one trillion, three hundred eleven billion, nine hundred fifty-eight million, two thousand, four hundred forty-eight".