11889159140356 has 9 divisors (see below), whose sum is σ = 20806040563861. Its totient is φ = 5944576122112.

The previous prime is 11889159140351. The next prime is 11889159140363. The reversal of 11889159140356 is 65304195198811.

The square root of 11889159140356 is 3448066.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11887393796100 + 1765344256 = 3447810^2 + 42016^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11889159140294 and 11889159140303.

It is not an unprimeable number, because it can be changed into a prime (11889159140351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6034116 + ... + 7758148.

Almost surely, 2^{11889159140356} is an apocalyptic number.

11889159140356 is the 3448066-th square number.

It is an amenable number.

11889159140356 is a deficient number, since it is larger than the sum of its proper divisors (8916881423505).

11889159140356 is an frugal number, since it uses more digits than its factorization.

11889159140356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448070 (or 1724035 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 61.

The spelling of 11889159140356 in words is "eleven trillion, eight hundred eighty-nine billion, one hundred fifty-nine million, one hundred forty thousand, three hundred fifty-six".