1118228128386 has 64 divisors (see below), whose sum is σ = 2363222822400. Its totient is φ = 352169328896.

The previous prime is 1118228128363. The next prime is 1118228128393. The reversal of 1118228128386 is 6838218228111.

It is a super-2 number, since 2×1118228128386² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70887196 + ... + 70902968.

It is an arithmetic number, because the mean of its divisors is an integer number (36925356600).

Almost surely, 2^{1118228128386} is an apocalyptic number.

1118228128386 is an abundant number, since it is smaller than the sum of its proper divisors (1244994694014).

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

1118228128386 is a wasteful number, since it uses less digits than its factorization.

1118228128386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24523.

The product of its digits is 589824, while the sum is 51.

The spelling of 1118228128386 in words is "one trillion, one hundred eighteen billion, two hundred twenty-eight million, one hundred twenty-eight thousand, three hundred eighty-six".