1311400044204 has 12 divisors (see below), whose sum is σ = 3059933436504. Its totient is φ = 437133348064.

The previous prime is 1311400044181. The next prime is 1311400044209. The reversal of 1311400044204 is 4024400041131.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1311400044209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54641668497 + ... + 54641668520.

It is an arithmetic number, because the mean of its divisors is an integer number (254994453042).

Almost surely, 2^{1311400044204} is an apocalyptic number.

It is an amenable number.

1311400044204 is an abundant number, since it is smaller than the sum of its proper divisors (1748533392300).

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

1311400044204 is a wasteful number, since it uses less digits than its factorization.

1311400044204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109283337024 (or 109283337022 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1311400044204 its reverse (4024400041131), we get a palindrome (5335800085335).

The spelling of 1311400044204 in words is "one trillion, three hundred eleven billion, four hundred million, forty-four thousand, two hundred four".