1311603544101 has 64 divisors (see below), whose sum is σ = 1979439379200. Its totient is φ = 767569084416.

The previous prime is 1311603544061. The next prime is 1311603544133. The reversal of 1311603544101 is 1014453061131.

It is not a de Polignac number, because 1311603544101 - 2²¹ = 1311601446949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311603544171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39383865 + ... + 39417153.

It is an arithmetic number, because the mean of its divisors is an integer number (30928740300).

Almost surely, 2^{1311603544101} is an apocalyptic number.

It is an amenable number.

1311603544101 is a deficient number, since it is larger than the sum of its proper divisors (667835835099).

1311603544101 is a wasteful number, since it uses less digits than its factorization.

1311603544101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33958.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 1311603544101 in words is "one trillion, three hundred eleven billion, six hundred three million, five hundred forty-four thousand, one hundred one".