1118440078511 has 16 divisors (see below), whose sum is σ = 1323784650240. Its totient is φ = 924561909600.

The previous prime is 1118440078463. The next prime is 1118440078577. The reversal of 1118440078511 is 1158700448111.

It is a happy number.

It is not a de Polignac number, because 1118440078511 - 2³⁴ = 1101260209327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118440038511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925665 + ... + 3285786.

It is an arithmetic number, because the mean of its divisors is an integer number (82736540640).

Almost surely, 2^{1118440078511} is an apocalyptic number.

1118440078511 is a deficient number, since it is larger than the sum of its proper divisors (205344571729).

1118440078511 is an equidigital number, since it uses as much as digits as its factorization.

1118440078511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212374.

The product of its (nonzero) digits is 35840, while the sum is 41.

The spelling of 1118440078511 in words is "one trillion, one hundred eighteen billion, four hundred forty million, seventy-eight thousand, five hundred eleven".