113216856596281 has 9 divisors (see below), whose sum is σ = 113467895113069. Its totient is φ = 112966372328800.

The previous prime is 113216856596219. The next prime is 113216856596297. The reversal of 113216856596281 is 182695658612311.

The square root of 113216856596281 is 10640341.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4287140032681 + 108929716563600 = 2070541^2 + 10436940^2 .

It is not a de Polignac number, because 113216856596281 - 2⁷ = 113216856596153 is a prime.

It is a super-2 number, since 2×113216856596281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113216856596681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4905185661 + ... + 4905208741.

Almost surely, 2^{113216856596281} is an apocalyptic number.

113216856596281 is the 10640341-st square number.

113216856596281 is the 5320171-st centered octagonal number.

It is an amenable number.

113216856596281 is a deficient number, since it is larger than the sum of its proper divisors (251038516788).

113216856596281 is an frugal number, since it uses more digits than its factorization.

113216856596281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47084 (or 23542 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 64.

The spelling of 113216856596281 in words is "one hundred thirteen trillion, two hundred sixteen billion, eight hundred fifty-six million, five hundred ninety-six thousand, two hundred eighty-one".