1311463604421 has 24 divisors (see below), whose sum is σ = 1940644567680. Its totient is φ = 852938337600.

The previous prime is 1311463604371. The next prime is 1311463604449. The reversal of 1311463604421 is 1244063641131.

1311463604421 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 4 + 6 + 3 + 604 + 42 + 1 = 666.

It is not a de Polignac number, because 1311463604421 - 2¹⁹ = 1311463080133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311463604461) 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, 7564020 + ... + 7735458.

It is an arithmetic number, because the mean of its divisors is an integer number (80860190320).

Almost surely, 2^{1311463604421} is an apocalyptic number.

It is an amenable number.

1311463604421 is a deficient number, since it is larger than the sum of its proper divisors (629180963259).

1311463604421 is a wasteful number, since it uses less digits than its factorization.

1311463604421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192217 (or 192214 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 1311463604421 in words is "one trillion, three hundred eleven billion, four hundred sixty-three million, six hundred four thousand, four hundred twenty-one".