1116861180 has 48 divisors (see below), whose sum is σ = 3228094464. Its totient is φ = 288221760.

The previous prime is 1116861113. The next prime is 1116861181. The reversal of 1116861180 is 811686111.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116861181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298372 + ... + 302091.

It is an arithmetic number, because the mean of its divisors is an integer number (67251968).

Almost surely, 2^1116861180 is an apocalyptic number.

1116861180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116861180 is an abundant number, since it is smaller than the sum of its proper divisors (2111233284).

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

1116861180 is a wasteful number, since it uses less digits than its factorization.

1116861180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600506 (or 600504 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 33.

The square root of 1116861180 is about 33419.4730658639. The cubic root of 1116861180 is about 1037.5277755181.

The spelling of 1116861180 in words is "one billion, one hundred sixteen million, eight hundred sixty-one thousand, one hundred eighty".