1316361501121 has 2 divisors, whose sum is σ = 1316361501122. Its totient is φ = 1316361501120.

The previous prime is 1316361501101. The next prime is 1316361501167. The reversal of 1316361501121 is 1211051636131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 956014617600 + 360346883521 = 977760^2 + 600289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316361501121 - 2³⁹ = 766605687233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316361501101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658180750560 + 658180750561.

It is an arithmetic number, because the mean of its divisors is an integer number (658180750561).

Almost surely, 2^{1316361501121} is an apocalyptic number.

It is an amenable number.

1316361501121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316361501121 is an equidigital number, since it uses as much as digits as its factorization.

1316361501121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 1316361501121 in words is "one trillion, three hundred sixteen billion, three hundred sixty-one million, five hundred one thousand, one hundred twenty-one".