1318805477411 has 8 divisors (see below), whose sum is σ = 1319167664640. Its totient is φ = 1318443356232.

The previous prime is 1318805477401. The next prime is 1318805477461. The reversal of 1318805477411 is 1147745088131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1318805477411 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 1318805477411.

It is not an unprimeable number, because it can be changed into a prime (1318805477401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107748230 + ... + 107760468.

It is an arithmetic number, because the mean of its divisors is an integer number (164895958080).

Almost surely, 2^{1318805477411} is an apocalyptic number.

1318805477411 is a deficient number, since it is larger than the sum of its proper divisors (362187229).

1318805477411 is a wasteful number, since it uses less digits than its factorization.

1318805477411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33025.

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 1318805477411 in words is "one trillion, three hundred eighteen billion, eight hundred five million, four hundred seventy-seven thousand, four hundred eleven".