118556785229 has 2 divisors, whose sum is σ = 118556785230. Its totient is φ = 118556785228.

The previous prime is 118556785213. The next prime is 118556785247. The reversal of 118556785229 is 922587655811.

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., 78156589225 + 40400196004 = 279565^2 + 200998^2 .

It is a cyclic number.

It is not a de Polignac number, because 118556785229 - 2⁴ = 118556785213 is a prime.

It is a super-2 number, since 2×118556785229² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118556785729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59278392614 + 59278392615.

It is an arithmetic number, because the mean of its divisors is an integer number (59278392615).

Almost surely, 2^118556785229 is an apocalyptic number.

It is an amenable number.

118556785229 is a deficient number, since it is larger than the sum of its proper divisors (1).

118556785229 is an equidigital number, since it uses as much as digits as its factorization.

118556785229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096000, while the sum is 59.

The spelling of 118556785229 in words is "one hundred eighteen billion, five hundred fifty-six million, seven hundred eighty-five thousand, two hundred twenty-nine".