1118895131312 has 80 divisors (see below), whose sum is σ = 2505902469120. Its totient is φ = 474041796096.

The previous prime is 1118895131183. The next prime is 1118895131353. The reversal of 1118895131312 is 2131315988111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70794803 + ... + 70810605.

It is an arithmetic number, because the mean of its divisors is an integer number (31323780864).

Almost surely, 2^{1118895131312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118895131312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252951234560).

1118895131312 is an abundant number, since it is smaller than the sum of its proper divisors (1387007337808).

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

1118895131312 is a wasteful number, since it uses less digits than its factorization.

1118895131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23010 (or 23004 counting only the distinct ones).

The product of its digits is 51840, while the sum is 44.

The spelling of 1118895131312 in words is "one trillion, one hundred eighteen billion, eight hundred ninety-five million, one hundred thirty-one thousand, three hundred twelve".