111147967946889 has 6 divisors (see below), whose sum is σ = 160547064812186. Its totient is φ = 74098645297920.

The previous prime is 111147967946881. The next prime is 111147967946957. The reversal of 111147967946889 is 988649769741111.

111147967946889 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 4 + 7 + 9 + 6 + 79 + 468 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101036331132489 + 10111636814400 = 10051683^2 + 3179880^2 .

It is not a de Polignac number, because 111147967946889 - 2³ = 111147967946881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111147967946881) 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, 6174887108152 + ... + 6174887108169.

Almost surely, 2^{111147967946889} is an apocalyptic number.

It is an amenable number.

111147967946889 is a deficient number, since it is larger than the sum of its proper divisors (49399096865297).

111147967946889 is a wasteful number, since it uses less digits than its factorization.

111147967946889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12349774216327 (or 12349774216324 counting only the distinct ones).

The product of its digits is 1316818944, while the sum is 81.

The spelling of 111147967946889 in words is "one hundred eleven trillion, one hundred forty-seven billion, nine hundred sixty-seven million, nine hundred forty-six thousand, eight hundred eighty-nine".