1116851142 has 64 divisors (see below), whose sum is σ = 2649936384. Its totient is φ = 309911040.

The previous prime is 1116851137. The next prime is 1116851149. The reversal of 1116851142 is 2411586111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116851149) 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, 28063 + ... + 54965.

It is an arithmetic number, because the mean of its divisors is an integer number (41405256).

Almost surely, 2^1116851142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116851142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324968192).

1116851142 is an abundant number, since it is smaller than the sum of its proper divisors (1533085242).

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

1116851142 is a wasteful number, since it uses less digits than its factorization.

1116851142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26973.

The product of its digits is 1920, while the sum is 30.

The square root of 1116851142 is about 33419.3228836253. The cubic root of 1116851142 is about 1037.5246671834.

It can be divided in two parts, 1116 and 851142, that added together give a palindrome (852258).

The spelling of 1116851142 in words is "one billion, one hundred sixteen million, eight hundred fifty-one thousand, one hundred forty-two".