1111228126747 has 2 divisors, whose sum is σ = 1111228126748. Its totient is φ = 1111228126746.

The previous prime is 1111228126741. The next prime is 1111228126807. The reversal of 1111228126747 is 7476218221111.

It is a weak prime.

It is an emirp because it is prime and its reverse (7476218221111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111228126747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111228126741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555614063373 + 555614063374.

It is an arithmetic number, because the mean of its divisors is an integer number (555614063374).

Almost surely, 2^{1111228126747} is an apocalyptic number.

1111228126747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111228126747 is an equidigital number, since it uses as much as digits as its factorization.

1111228126747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 43.

The spelling of 1111228126747 in words is "one trillion, one hundred eleven billion, two hundred twenty-eight million, one hundred twenty-six thousand, seven hundred forty-seven".