1160321621549 has 2 divisors, whose sum is σ = 1160321621550. Its totient is φ = 1160321621548.

The previous prime is 1160321621531. The next prime is 1160321621573. The reversal of 1160321621549 is 9451261230611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1156231379524 + 4090242025 = 1075282^2 + 63955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1160321621549 - 2²⁴ = 1160304844333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1160321621579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580160810774 + 580160810775.

It is an arithmetic number, because the mean of its divisors is an integer number (580160810775).

Almost surely, 2^{1160321621549} is an apocalyptic number.

It is an amenable number.

1160321621549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160321621549 is an equidigital number, since it uses as much as digits as its factorization.

1160321621549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 1160321621549 in words is "one trillion, one hundred sixty billion, three hundred twenty-one million, six hundred twenty-one thousand, five hundred forty-nine".