861119769331233 has 6 divisors (see below), whose sum is σ = 1243839666811794. Its totient is φ = 574079846220816.

The previous prime is 861119769331223. The next prime is 861119769331279. The reversal of 861119769331233 is 332133967911168.

It is a happy number.

861119769331233 is a `hidden beast` number, since 8 + 6 + 1 + 1 + 1 + 9 + 7 + 69 + 331 + 233 = 666.

861119769331233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 754157489477184 + 106962279854049 = 27461928^2 + 10342257^2 .

It is not a de Polignac number, because 861119769331233 - 2²² = 861119765136929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (861119769331223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47839987185060 + ... + 47839987185077.

It is an arithmetic number, because the mean of its divisors is an integer number (207306611135299).

Almost surely, 2^{861119769331233} is an apocalyptic number.

It is an amenable number.

861119769331233 is a deficient number, since it is larger than the sum of its proper divisors (382719897480561).

861119769331233 is a wasteful number, since it uses less digits than its factorization.

861119769331233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95679974370143 (or 95679974370140 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The spelling of 861119769331233 in words is "eight hundred sixty-one trillion, one hundred nineteen billion, seven hundred sixty-nine million, three hundred thirty-one thousand, two hundred thirty-three".