116277181 has 2 divisors, whose sum is σ = 116277182. Its totient is φ = 116277180.

The previous prime is 116277173. The next prime is 116277193. The reversal of 116277181 is 181772611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102697956 + 13579225 = 10134^2 + 3685^2 .

It is a cyclic number.

It is not a de Polignac number, because 116277181 - 2³ = 116277173 is a prime.

It is a super-2 number, since 2×116277181² = 27040765642613522, which contains 22 as substring.

It is equal to p_6641548 and since 116277181 and 6641548 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116287181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58138590 + 58138591.

It is an arithmetic number, because the mean of its divisors is an integer number (58138591).

Almost surely, 2^116277181 is an apocalyptic number.

It is an amenable number.

116277181 is a deficient number, since it is larger than the sum of its proper divisors (1).

116277181 is an equidigital number, since it uses as much as digits as its factorization.

116277181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 34.

The square root of 116277181 is about 10783.1897414448. The cubic root of 116277181 is about 488.0880386827.

The spelling of 116277181 in words is "one hundred sixteen million, two hundred seventy-seven thousand, one hundred eighty-one".