11800860116642 has 4 divisors (see below), whose sum is σ = 17701290174966. Its totient is φ = 5900430058320.

The previous prime is 11800860116641. The next prime is 11800860116693. The reversal of 11800860116642 is 24661106800811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10860524571961 + 940335544681 = 3295531^2 + 969709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11800860116593 and 11800860116602.

It is not an unprimeable number, because it can be changed into a prime (11800860116641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2950215029159 + ... + 2950215029162.

Almost surely, 2^{11800860116642} is an apocalyptic number.

11800860116642 is a deficient number, since it is larger than the sum of its proper divisors (5900430058324).

11800860116642 is an equidigital number, since it uses as much as digits as its factorization.

11800860116642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900430058323.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 11800860116642 in words is "eleven trillion, eight hundred billion, eight hundred sixty million, one hundred sixteen thousand, six hundred forty-two".