1116841881 has 32 divisors (see below), whose sum is σ = 1596672000. Its totient is φ = 693096768.

The previous prime is 1116841853. The next prime is 1116841897. The reversal of 1116841881 is 1881486111.

It is not a de Polignac number, because 1116841881 - 2⁵ = 1116841849 is a prime.

It is a super-2 number, since 2×1116841881² = 2494671574311236322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1116841841) 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, 293650 + ... + 297428.

It is an arithmetic number, because the mean of its divisors is an integer number (49896000).

Almost surely, 2^1116841881 is an apocalyptic number.

It is an amenable number.

1116841881 is a deficient number, since it is larger than the sum of its proper divisors (479830119).

1116841881 is a wasteful number, since it uses less digits than its factorization.

1116841881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933.

The product of its digits is 12288, while the sum is 39.

The square root of 1116841881 is about 33419.1843257731. The cubic root of 1116841881 is about 1037.5217994355.

The spelling of 1116841881 in words is "one billion, one hundred sixteen million, eight hundred forty-one thousand, eight hundred eighty-one".