1111013103257 has 2 divisors, whose sum is σ = 1111013103258. Its totient is φ = 1111013103256.

The previous prime is 1111013103203. The next prime is 1111013103307. The reversal of 1111013103257 is 7523013101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990162314761 + 120850788496 = 995069^2 + 347636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111013103257 - 2⁴⁰ = 11501475481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111013103757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555506551628 + 555506551629.

It is an arithmetic number, because the mean of its divisors is an integer number (555506551629).

Almost surely, 2^{1111013103257} is an apocalyptic number.

It is an amenable number.

1111013103257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111013103257 is an equidigital number, since it uses as much as digits as its factorization.

1111013103257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

Adding to 1111013103257 its reverse (7523013101111), we get a palindrome (8634026204368).

The spelling of 1111013103257 in words is "one trillion, one hundred eleven billion, thirteen million, one hundred three thousand, two hundred fifty-seven".