1311063036542 has 16 divisors (see below), whose sum is σ = 2248944021600. Its totient is φ = 561532311648.

The previous prime is 1311063036539. The next prime is 1311063036607. The reversal of 1311063036542 is 2456303601131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29297417 + ... + 29342132.

It is an arithmetic number, because the mean of its divisors is an integer number (140559001350).

Almost surely, 2^{1311063036542} is an apocalyptic number.

1311063036542 is a deficient number, since it is larger than the sum of its proper divisors (937880985058).

1311063036542 is a wasteful number, since it uses less digits than its factorization.

1311063036542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58641155.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 1311063036542 its reverse (2456303601131), we get a palindrome (3767366637673).

The spelling of 1311063036542 in words is "one trillion, three hundred eleven billion, sixty-three million, thirty-six thousand, five hundred forty-two".