1311421614564 has 48 divisors (see below), whose sum is σ = 3197992799232. Its totient is φ = 417484084512.

The previous prime is 1311421614563. The next prime is 1311421614593. The reversal of 1311421614564 is 4654161241131.

It is a super-2 number, since 2×1311421614564² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311421614563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3517344 + ... + 3872279.

It is an arithmetic number, because the mean of its divisors is an integer number (66624849984).

Almost surely, 2^{1311421614564} is an apocalyptic number.

It is an amenable number.

1311421614564 is an abundant number, since it is smaller than the sum of its proper divisors (1886571184668).

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

1311421614564 is a wasteful number, since it uses less digits than its factorization.

1311421614564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390296 (or 7390294 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

Adding to 1311421614564 its reverse (4654161241131), we get a palindrome (5965582855695).

The spelling of 1311421614564 in words is "one trillion, three hundred eleven billion, four hundred twenty-one million, six hundred fourteen thousand, five hundred sixty-four".