28292112055089 has 27 divisors (see below), whose sum is σ = 41005402430187. Its totient is φ = 18797462622000.

The previous prime is 28292112055057. The next prime is 28292112055117. The reversal of 28292112055089 is 98055021129282.

The square root of 28292112055089 is 5319033.

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

28292112055089 is a `hidden beast` number, since 2 + 8 + 2 + 9 + 2 + 1 + 1 + 2 + 0 + 550 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24001994067489 + 4290117987600 = 4899183^2 + 2071260^2 .

It is not a de Polignac number, because 28292112055089 - 2⁵ = 28292112055057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28292112051089) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4962654939 + ... + 4962660639.

Almost surely, 2^{28292112055089} is an apocalyptic number.

28292112055089 is the 5319033-rd square number.

28292112055089 is the 2659517-th centered octagonal number.

It is an amenable number.

28292112055089 is a deficient number, since it is larger than the sum of its proper divisors (12713290375098).

28292112055089 is an frugal number, since it uses more digits than its factorization.

28292112055089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12030 (or 6015 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 28292112055089 in words is "twenty-eight trillion, two hundred ninety-two billion, one hundred twelve million, fifty-five thousand, eighty-nine".