1111245212041 has 2 divisors, whose sum is σ = 1111245212042. Its totient is φ = 1111245212040.

The previous prime is 1111245211961. The next prime is 1111245212047. The reversal of 1111245212041 is 1402125421111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962368848016 + 148876364025 = 981004^2 + 385845^2 .

It is an emirp because it is prime and its reverse (1402125421111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111245212041 - 2¹⁵ = 1111245179273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111245211997 and 1111245212015.

It is not a weakly prime, because it can be changed into another prime (1111245212047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555622606020 + 555622606021.

It is an arithmetic number, because the mean of its divisors is an integer number (555622606021).

Almost surely, 2^{1111245212041} is an apocalyptic number.

It is an amenable number.

1111245212041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111245212041 is an equidigital number, since it uses as much as digits as its factorization.

1111245212041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 25.

The spelling of 1111245212041 in words is "one trillion, one hundred eleven billion, two hundred forty-five million, two hundred twelve thousand, forty-one".