1118258464785 has 128 divisors (see below), whose sum is σ = 2239358828544. Its totient is φ = 462931925760.

The previous prime is 1118258464753. The next prime is 1118258464831. The reversal of 1118258464785 is 5874648528111.

It is not a de Polignac number, because 1118258464785 - 2⁵ = 1118258464753 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 640101282 + ... + 640103028.

It is an arithmetic number, because the mean of its divisors is an integer number (17494990848).

Almost surely, 2^{1118258464785} is an apocalyptic number.

1118258464785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1118258464785 is an abundant number, since it is smaller than the sum of its proper divisors (1121100363759).

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

1118258464785 is a wasteful number, since it uses less digits than its factorization.

1118258464785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603.

The product of its digits is 17203200, while the sum is 60.

The spelling of 1118258464785 in words is "one trillion, one hundred eighteen billion, two hundred fifty-eight million, four hundred sixty-four thousand, seven hundred eighty-five".