116781105 has 16 divisors (see below), whose sum is σ = 213542784. Its totient is φ = 53385600.

The previous prime is 116781089. The next prime is 116781107. The reversal of 116781105 is 501187611.

It is not a de Polignac number, because 116781105 - 2⁴ = 116781089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116781107) 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, 555996 + ... + 556205.

It is an arithmetic number, because the mean of its divisors is an integer number (13346424).

Almost surely, 2^116781105 is an apocalyptic number.

116781105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116781105 is a deficient number, since it is larger than the sum of its proper divisors (96761679).

116781105 is a wasteful number, since it uses less digits than its factorization.

116781105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112216.

The product of its (nonzero) digits is 1680, while the sum is 30.

The square root of 116781105 is about 10806.5306643714. The cubic root of 116781105 is about 488.7921172576.

It can be divided in two parts, 116781 and 105, that added together give a triangular number (116886 = T₄₈₃).

The spelling of 116781105 in words is "one hundred sixteen million, seven hundred eighty-one thousand, one hundred five".