1542431656411 has 2 divisors, whose sum is σ = 1542431656412. Its totient is φ = 1542431656410.

The previous prime is 1542431656393. The next prime is 1542431656427. The reversal of 1542431656411 is 1146561342451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1542431656411 - 2¹¹ = 1542431654363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1542431656811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771215828205 + 771215828206.

It is an arithmetic number, because the mean of its divisors is an integer number (771215828206).

Almost surely, 2^{1542431656411} is an apocalyptic number.

1542431656411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542431656411 is an equidigital number, since it uses as much as digits as its factorization.

1542431656411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 43.

Adding to 1542431656411 its reverse (1146561342451), we get a palindrome (2688992998862).

The spelling of 1542431656411 in words is "one trillion, five hundred forty-two billion, four hundred thirty-one million, six hundred fifty-six thousand, four hundred eleven".