111050897049 has 45 divisors (see below), whose sum is σ = 168933258351. Its totient is φ = 72700292880.

The previous prime is 111050897017. The next prime is 111050897071. The reversal of 111050897049 is 940798050111.

It is a happy number.

The square root of 111050897049 is 333243.

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

111050897049 is a `hidden beast` number, since 1 + 1 + 10 + 508 + 97 + 0 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3611168649 + 107439728400 = 60093^2 + 327780^2 .

It is not a de Polignac number, because 111050897049 - 2⁵ = 111050897017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111050896995 and 111050897013.

It is not an unprimeable number, because it can be changed into a prime (111050895049) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 182950104 + ... + 182950710.

Almost surely, 2^111050897049 is an apocalyptic number.

111050897049 is the 333243-rd square number.

111050897049 is the 166622-nd centered octagonal number.

It is an amenable number.

111050897049 is a deficient number, since it is larger than the sum of its proper divisors (57882361302).

111050897049 is an frugal number, since it uses more digits than its factorization.

111050897049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The spelling of 111050897049 in words is "one hundred eleven billion, fifty million, eight hundred ninety-seven thousand, forty-nine".