13143242111444 has 6 divisors (see below), whose sum is σ = 23000673695034. Its totient is φ = 6571621055720.

The previous prime is 13143242111423. The next prime is 13143242111471. The reversal of 13143242111444 is 44411124234131.

It can be written as a sum of positive squares in only one way, i.e., 11435353824400 + 1707888287044 = 3381620^2 + 1306862^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642905263927 + ... + 1642905263934.

It is an arithmetic number, because the mean of its divisors is an integer number (3833445615839).

Almost surely, 2^{13143242111444} is an apocalyptic number.

It is an amenable number.

13143242111444 is a deficient number, since it is larger than the sum of its proper divisors (9857431583590).

13143242111444 is a wasteful number, since it uses less digits than its factorization.

13143242111444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285810527865 (or 3285810527863 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

Adding to 13143242111444 its reverse (44411124234131), we get a palindrome (57554366345575).

The spelling of 13143242111444 in words is "thirteen trillion, one hundred forty-three billion, two hundred forty-two million, one hundred eleven thousand, four hundred forty-four".