1131404254356 has 48 divisors (see below), whose sum is σ = 2711865502080. Its totient is φ = 366911393280.

The previous prime is 1131404254339. The next prime is 1131404254363. The reversal of 1131404254356 is 6534524041311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3026161 + ... + 3379416.

It is an arithmetic number, because the mean of its divisors is an integer number (56497197960).

Almost surely, 2^{1131404254356} is an apocalyptic number.

It is an amenable number.

1131404254356 is an abundant number, since it is smaller than the sum of its proper divisors (1580461247724).

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

1131404254356 is a wasteful number, since it uses less digits than its factorization.

1131404254356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405984 (or 6405982 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 1131404254356 its reverse (6534524041311), we get a palindrome (7665928295667).

The spelling of 1131404254356 in words is "one trillion, one hundred thirty-one billion, four hundred four million, two hundred fifty-four thousand, three hundred fifty-six".