1311616554514 has 48 divisors (see below), whose sum is σ = 2395823204736. Its totient is φ = 535952155200.

The previous prime is 1311616554499. The next prime is 1311616554517. The reversal of 1311616554514 is 4154556161131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1311616554517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234547 + ... + 1636534.

It is an arithmetic number, because the mean of its divisors is an integer number (49912983432).

Almost surely, 2^{1311616554514} is an apocalyptic number.

1311616554514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1311616554514 is a deficient number, since it is larger than the sum of its proper divisors (1084206650222).

1311616554514 is a wasteful number, since it uses less digits than its factorization.

1311616554514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871431 (or 1871424 counting only the distinct ones).

The product of its digits is 216000, while the sum is 43.

The spelling of 1311616554514 in words is "one trillion, three hundred eleven billion, six hundred sixteen million, five hundred fifty-four thousand, five hundred fourteen".