11892706858 has 4 divisors (see below), whose sum is σ = 17839060290. Its totient is φ = 5946353428.

The previous prime is 11892706849. The next prime is 11892706867. The reversal of 11892706858 is 85860729811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85860729811 = 97 ⋅885162163.

It is an interprime number because it is at equal distance from previous prime (11892706849) and next prime (11892706867).

It can be written as a sum of positive squares in only one way, i.e., 8811013689 + 3081693169 = 93867^2 + 55513^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11892706799 and 11892706808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2973176713 + ... + 2973176716.

Almost surely, 2^11892706858 is an apocalyptic number.

11892706858 is a deficient number, since it is larger than the sum of its proper divisors (5946353432).

11892706858 is an equidigital number, since it uses as much as digits as its factorization.

11892706858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946353431.

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 11892706858 in words is "eleven billion, eight hundred ninety-two million, seven hundred six thousand, eight hundred fifty-eight".