1311056526244 has 24 divisors (see below), whose sum is σ = 2434580334648. Its totient is φ = 615629437440.

The previous prime is 1311056526187. The next prime is 1311056526289. The reversal of 1311056526244 is 4426256501131.

It can be written as a sum of positive squares in 4 ways, for example, as 114413062500 + 1196643463744 = 338250^2 + 1093912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1311056526197 and 1311056526206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20879979 + ... + 20942674.

It is an arithmetic number, because the mean of its divisors is an integer number (101440847277).

Almost surely, 2^{1311056526244} is an apocalyptic number.

It is an amenable number.

1311056526244 is a deficient number, since it is larger than the sum of its proper divisors (1123523808404).

1311056526244 is a wasteful number, since it uses less digits than its factorization.

1311056526244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41823135 (or 41823133 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1311056526244 in words is "one trillion, three hundred eleven billion, fifty-six million, five hundred twenty-six thousand, two hundred forty-four".