1311420055424 has 32 divisors (see below), whose sum is σ = 2612737701000. Its totient is φ = 655674122752.

The previous prime is 1311420055411. The next prime is 1311420055433. The reversal of 1311420055424 is 4245500241131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148014 + ... + 2690130.

Almost surely, 2^{1311420055424} is an apocalyptic number.

It is an amenable number.

1311420055424 is a deficient number, since it is larger than the sum of its proper divisors (1301317645576).

1311420055424 is an equidigital number, since it uses as much as digits as its factorization.

1311420055424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561030 (or 561018 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1311420055424 its reverse (4245500241131), we get a palindrome (5556920296555).

The spelling of 1311420055424 in words is "one trillion, three hundred eleven billion, four hundred twenty million, fifty-five thousand, four hundred twenty-four".