1141344403278 has 32 divisors (see below), whose sum is σ = 2331527141376. Its totient is φ = 372310290528.

The previous prime is 1141344403267. The next prime is 1141344403279. The reversal of 1141344403278 is 8723044431411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141344403279) 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, 2246400 + ... + 2707212.

It is an arithmetic number, because the mean of its divisors is an integer number (72860223168).

Almost surely, 2^{1141344403278} is an apocalyptic number.

1141344403278 is an abundant number, since it is smaller than the sum of its proper divisors (1190182738098).

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

1141344403278 is a wasteful number, since it uses less digits than its factorization.

1141344403278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469648.

The product of its (nonzero) digits is 258048, while the sum is 42.

Adding to 1141344403278 its reverse (8723044431411), we get a palindrome (9864388834689).

The spelling of 1141344403278 in words is "one trillion, one hundred forty-one billion, three hundred forty-four million, four hundred three thousand, two hundred seventy-eight".