1534115443361 has 2 divisors, whose sum is σ = 1534115443362. Its totient is φ = 1534115443360.

The previous prime is 1534115443339. The next prime is 1534115443363. The reversal of 1534115443361 is 1633445114351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1211582316961 + 322533126400 = 1100719^2 + 567920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534115443361 - 2⁶ = 1534115443297 is a prime.

Together with 1534115443363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1534115443363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767057721680 + 767057721681.

It is an arithmetic number, because the mean of its divisors is an integer number (767057721681).

Almost surely, 2^{1534115443361} is an apocalyptic number.

It is an amenable number.

1534115443361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534115443361 is an equidigital number, since it uses as much as digits as its factorization.

1534115443361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The spelling of 1534115443361 in words is "one trillion, five hundred thirty-four billion, one hundred fifteen million, four hundred forty-three thousand, three hundred sixty-one".