1318183304478 has 32 divisors (see below), whose sum is σ = 2751260504832. Its totient is φ = 420249192000.

The previous prime is 1318183304453. The next prime is 1318183304479. The reversal of 1318183304478 is 8744033818131.

It is a self number, because there is not a number n which added to its sum of digits gives 1318183304478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318183304479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963378 + ... + 1887978.

It is an arithmetic number, because the mean of its divisors is an integer number (85976890776).

Almost surely, 2^{1318183304478} is an apocalyptic number.

1318183304478 is an abundant number, since it is smaller than the sum of its proper divisors (1433077200354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1318183304478 is a wasteful number, since it uses less digits than its factorization.

1318183304478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934960.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 1318183304478 in words is "one trillion, three hundred eighteen billion, one hundred eighty-three million, three hundred four thousand, four hundred seventy-eight".