116540311 has 2 divisors, whose sum is σ = 116540312. Its totient is φ = 116540310.

The previous prime is 116540267. The next prime is 116540353. The reversal of 116540311 is 113045611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116540311 - 2¹⁵ = 116507543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116540371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58270155 + 58270156.

It is an arithmetic number, because the mean of its divisors is an integer number (58270156).

Almost surely, 2^116540311 is an apocalyptic number.

116540311 is a deficient number, since it is larger than the sum of its proper divisors (1).

116540311 is an equidigital number, since it uses as much as digits as its factorization.

116540311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 116540311 is about 10795.3837819690. The cubic root of 116540311 is about 488.4559350276.

Adding to 116540311 its reverse (113045611), we get a palindrome (229585922).

The spelling of 116540311 in words is "one hundred sixteen million, five hundred forty thousand, three hundred eleven".