1311411022056 has 96 divisors (see below), whose sum is σ = 3594733084800. Its totient is φ = 431853776640.

The previous prime is 1311411022049. The next prime is 1311411022063. The reversal of 1311411022056 is 6502201141131.

1311411022056 is a `hidden beast` number, since 1 + 311 + 41 + 102 + 205 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1311411022049) and next prime (1311411022063).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7416385 + ... + 7591151.

It is an arithmetic number, because the mean of its divisors is an integer number (37445136300).

Almost surely, 2^{1311411022056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311411022056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797366542400).

1311411022056 is an abundant number, since it is smaller than the sum of its proper divisors (2283322062744).

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

1311411022056 is a wasteful number, since it uses less digits than its factorization.

1311411022056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176039 (or 176032 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 1311411022056 its reverse (6502201141131), we get a palindrome (7813612163187).

The spelling of 1311411022056 in words is "one trillion, three hundred eleven billion, four hundred eleven million, twenty-two thousand, fifty-six".