1118109313752 has 128 divisors (see below), whose sum is σ = 2990663424000. Its totient is φ = 347487528960.

The previous prime is 1118109313661. The next prime is 1118109313757. The reversal of 1118109313752 is 2573139018111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118109313757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25529649 + ... + 25573407.

It is an arithmetic number, because the mean of its divisors is an integer number (23364558000).

Almost surely, 2^{1118109313752} is an apocalyptic number.

1118109313752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118109313752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495331712000).

1118109313752 is an abundant number, since it is smaller than the sum of its proper divisors (1872554110248).

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

1118109313752 is a wasteful number, since it uses less digits than its factorization.

1118109313752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44961 (or 44957 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 42.

The spelling of 1118109313752 in words is "one trillion, one hundred eighteen billion, one hundred nine million, three hundred thirteen thousand, seven hundred fifty-two".