116225405181 has 12 divisors (see below), whose sum is σ = 169767446940. Its totient is φ = 76613000640.

The previous prime is 116225405143. The next prime is 116225405183. The reversal of 116225405181 is 181504522611.

116225405181 is a `hidden beast` number, since 1 + 1 + 62 + 2 + 540 + 51 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66908099556 + 49317305625 = 258666^2 + 222075^2 .

It is not a de Polignac number, because 116225405181 - 2⁶ = 116225405117 is a prime.

It is a super-2 number, since 2×116225405181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116225405183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72549390 + ... + 72550991.

It is an arithmetic number, because the mean of its divisors is an integer number (14147287245).

Almost surely, 2^116225405181 is an apocalyptic number.

It is an amenable number.

116225405181 is a deficient number, since it is larger than the sum of its proper divisors (53542041759).

116225405181 is a wasteful number, since it uses less digits than its factorization.

116225405181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145100476 (or 145100473 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

Adding to 116225405181 its reverse (181504522611), we get a palindrome (297729927792).

The spelling of 116225405181 in words is "one hundred sixteen billion, two hundred twenty-five million, four hundred five thousand, one hundred eighty-one".