1155067021027 has 2 divisors, whose sum is σ = 1155067021028. Its totient is φ = 1155067021026.

The previous prime is 1155067021007. The next prime is 1155067021057. The reversal of 1155067021027 is 7201207605511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155067021027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155067021007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577533510513 + 577533510514.

It is an arithmetic number, because the mean of its divisors is an integer number (577533510514).

Almost surely, 2^{1155067021027} is an apocalyptic number.

1155067021027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155067021027 is an equidigital number, since it uses as much as digits as its factorization.

1155067021027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 1155067021027 in words is "one trillion, one hundred fifty-five billion, sixty-seven million, twenty-one thousand, twenty-seven".