116778218145 has 32 divisors (see below), whose sum is σ = 197357850624. Its totient is φ = 58870929600.

The previous prime is 116778218129. The next prime is 116778218149. The reversal of 116778218145 is 541812877611.

It is not a de Polignac number, because 116778218145 - 2⁴ = 116778218129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116778218149) 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, 2900191 + ... + 2940180.

It is an arithmetic number, because the mean of its divisors is an integer number (6167432832).

Almost surely, 2^116778218145 is an apocalyptic number.

116778218145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116778218145 is a deficient number, since it is larger than the sum of its proper divisors (80579632479).

116778218145 is a wasteful number, since it uses less digits than its factorization.

116778218145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840453.

The product of its digits is 752640, while the sum is 51.

The spelling of 116778218145 in words is "one hundred sixteen billion, seven hundred seventy-eight million, two hundred eighteen thousand, one hundred forty-five".