1131234224551 has 2 divisors, whose sum is σ = 1131234224552. Its totient is φ = 1131234224550.

The previous prime is 1131234224539. The next prime is 1131234224623. The reversal of 1131234224551 is 1554224321311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131234224551 - 2¹⁵ = 1131234191783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131234224051) by changing a digit.

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 as a sum of consecutive naturals, namely, 565617112275 + 565617112276.

It is an arithmetic number, because the mean of its divisors is an integer number (565617112276).

Almost surely, 2^{1131234224551} is an apocalyptic number.

1131234224551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131234224551 is an equidigital number, since it uses as much as digits as its factorization.

1131234224551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

Adding to 1131234224551 its reverse (1554224321311), we get a palindrome (2685458545862).

The spelling of 1131234224551 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-four million, two hundred twenty-four thousand, five hundred fifty-one".