116261143 has 2 divisors, whose sum is σ = 116261144. Its totient is φ = 116261142.

The previous prime is 116261099. The next prime is 116261179. The reversal of 116261143 is 341162611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116261143 - 2⁹ = 116260631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116261843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58130571 + 58130572.

It is an arithmetic number, because the mean of its divisors is an integer number (58130572).

Almost surely, 2^116261143 is an apocalyptic number.

116261143 is a deficient number, since it is larger than the sum of its proper divisors (1).

116261143 is an equidigital number, since it uses as much as digits as its factorization.

116261143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 116261143 is about 10782.4460582931. The cubic root of 116261143 is about 488.0655971459.

It can be divided in two parts, 11626 and 1143, that added together give a square (12769 = 113²).

The spelling of 116261143 in words is "one hundred sixteen million, two hundred sixty-one thousand, one hundred forty-three".