1111413440257 has 2 divisors, whose sum is σ = 1111413440258. Its totient is φ = 1111413440256.

The previous prime is 1111413440197. The next prime is 1111413440309. The reversal of 1111413440257 is 7520443141111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930223599361 + 181189840896 = 964481^2 + 425664^2 .

It is an emirp because it is prime and its reverse (7520443141111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111413440257 - 2⁷ = 1111413440129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111413440857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555706720128 + 555706720129.

It is an arithmetic number, because the mean of its divisors is an integer number (555706720129).

Almost surely, 2^{1111413440257} is an apocalyptic number.

It is an amenable number.

1111413440257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111413440257 is an equidigital number, since it uses as much as digits as its factorization.

1111413440257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 1111413440257 its reverse (7520443141111), we get a palindrome (8631856581368).

The spelling of 1111413440257 in words is "one trillion, one hundred eleven billion, four hundred thirteen million, four hundred forty thousand, two hundred fifty-seven".