1161584731213 has 2 divisors, whose sum is σ = 1161584731214. Its totient is φ = 1161584731212.

The previous prime is 1161584731133. The next prime is 1161584731249. The reversal of 1161584731213 is 3121374851611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1064039699529 + 97545031684 = 1031523^2 + 312322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161584731213 - 2⁹ = 1161584730701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1161584731213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161584732213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580792365606 + 580792365607.

It is an arithmetic number, because the mean of its divisors is an integer number (580792365607).

Almost surely, 2^{1161584731213} is an apocalyptic number.

It is an amenable number.

1161584731213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161584731213 is an equidigital number, since it uses as much as digits as its factorization.

1161584731213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The spelling of 1161584731213 in words is "one trillion, one hundred sixty-one billion, five hundred eighty-four million, seven hundred thirty-one thousand, two hundred thirteen".