116501081 has 2 divisors, whose sum is σ = 116501082. Its totient is φ = 116501080.

The previous prime is 116501071. The next prime is 116501107. The reversal of 116501081 is 180105611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116208400 + 292681 = 10780^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 116501081 - 2¹⁸ = 116238937 is a prime.

It is a super-2 number, since 2×116501081² = 27145003748337122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116501071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58250540 + 58250541.

It is an arithmetic number, because the mean of its divisors is an integer number (58250541).

Almost surely, 2^116501081 is an apocalyptic number.

It is an amenable number.

116501081 is a deficient number, since it is larger than the sum of its proper divisors (1).

116501081 is an equidigital number, since it uses as much as digits as its factorization.

116501081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 116501081 is about 10793.5666487033. The cubic root of 116501081 is about 488.4011205842.

Adding to 116501081 its reverse (180105611), we get a palindrome (296606692).

The spelling of 116501081 in words is "one hundred sixteen million, five hundred one thousand, eighty-one".