1156311407593 has 2 divisors, whose sum is σ = 1156311407594. Its totient is φ = 1156311407592.

The previous prime is 1156311407567. The next prime is 1156311407609. The reversal of 1156311407593 is 3957041136511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966108136464 + 190203271129 = 982908^2 + 436123^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156311407593 - 2⁹ = 1156311407081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1156311807593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578155703796 + 578155703797.

It is an arithmetic number, because the mean of its divisors is an integer number (578155703797).

Almost surely, 2^{1156311407593} is an apocalyptic number.

It is an amenable number.

1156311407593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156311407593 is an equidigital number, since it uses as much as digits as its factorization.

1156311407593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 1156311407593 in words is "one trillion, one hundred fifty-six billion, three hundred eleven million, four hundred seven thousand, five hundred ninety-three".