1111228126807 has 2 divisors, whose sum is σ = 1111228126808. Its totient is φ = 1111228126806.

The previous prime is 1111228126747. The next prime is 1111228126837. The reversal of 1111228126807 is 7086218221111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111228126807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111228126807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111228126837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555614063403 + 555614063404.

It is an arithmetic number, because the mean of its divisors is an integer number (555614063404).

Almost surely, 2^{1111228126807} is an apocalyptic number.

1111228126807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111228126807 is an equidigital number, since it uses as much as digits as its factorization.

1111228126807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 40.

The spelling of 1111228126807 in words is "one trillion, one hundred eleven billion, two hundred twenty-eight million, one hundred twenty-six thousand, eight hundred seven".