1113312144557 has 2 divisors, whose sum is σ = 1113312144558. Its totient is φ = 1113312144556.

The previous prime is 1113312144541. The next prime is 1113312144583. The reversal of 1113312144557 is 7554412133111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 953032822756 + 160279321801 = 976234^2 + 400349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113312144557 - 2⁴ = 1113312144541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113312144557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113312140557) 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, 556656072278 + 556656072279.

It is an arithmetic number, because the mean of its divisors is an integer number (556656072279).

Almost surely, 2^{1113312144557} is an apocalyptic number.

It is an amenable number.

1113312144557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113312144557 is an equidigital number, since it uses as much as digits as its factorization.

1113312144557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

Adding to 1113312144557 its reverse (7554412133111), we get a palindrome (8667724277668).

The spelling of 1113312144557 in words is "one trillion, one hundred thirteen billion, three hundred twelve million, one hundred forty-four thousand, five hundred fifty-seven".