1311154655063 has 32 divisors (see below), whose sum is σ = 1473368044032. Its totient is φ = 1156307356800.

The previous prime is 1311154655053. The next prime is 1311154655077. The reversal of 1311154655063 is 3605564511131.

It is a cyclic number.

It is not a de Polignac number, because 1311154655063 - 2¹⁰ = 1311154654039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311154655063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311154655053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225242693 + ... + 225248513.

It is an arithmetic number, because the mean of its divisors is an integer number (46042751376).

Almost surely, 2^{1311154655063} is an apocalyptic number.

1311154655063 is a deficient number, since it is larger than the sum of its proper divisors (162213388969).

1311154655063 is a wasteful number, since it uses less digits than its factorization.

1311154655063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7415.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 1311154655063 in words is "one trillion, three hundred eleven billion, one hundred fifty-four million, six hundred fifty-five thousand, sixty-three".