11789106578 has 4 divisors (see below), whose sum is σ = 17683659870. Its totient is φ = 5894553288.

The previous prime is 11789106551. The next prime is 11789106587. The reversal of 11789106578 is 87560198711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87560198711 = 9283 ⋅9432317.

It can be written as a sum of positive squares in only one way, i.e., 9898857049 + 1890249529 = 99493^2 + 43477^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2947276643 + ... + 2947276646.

Almost surely, 2^11789106578 is an apocalyptic number.

11789106578 is a deficient number, since it is larger than the sum of its proper divisors (5894553292).

11789106578 is an equidigital number, since it uses as much as digits as its factorization.

11789106578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894553291.

The product of its (nonzero) digits is 846720, while the sum is 53.

The spelling of 11789106578 in words is "eleven billion, seven hundred eighty-nine million, one hundred six thousand, five hundred seventy-eight".