116820404149 has 2 divisors, whose sum is σ = 116820404150. Its totient is φ = 116820404148.

The previous prime is 116820404081. The next prime is 116820404189. The reversal of 116820404149 is 941404028611.

It is a happy number.

It is an a-pointer prime, because the next prime (116820404189) can be obtained adding 116820404149 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116820404100 + 49 = 341790^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 116820404149 - 2⁷ = 116820404021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116820404189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58410202074 + 58410202075.

It is an arithmetic number, because the mean of its divisors is an integer number (58410202075).

Almost surely, 2^116820404149 is an apocalyptic number.

It is an amenable number.

116820404149 is a deficient number, since it is larger than the sum of its proper divisors (1).

116820404149 is an equidigital number, since it uses as much as digits as its factorization.

116820404149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

It can be divided in two parts, 1168204041 and 49, that multiplied together give a square (57241998009 = 239253²).

The spelling of 116820404149 in words is "one hundred sixteen billion, eight hundred twenty million, four hundred four thousand, one hundred forty-nine".