118211953 has 2 divisors, whose sum is σ = 118211954. Its totient is φ = 118211952.

The previous prime is 118211941. The next prime is 118211969. The reversal of 118211953 is 359112811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109139809 + 9072144 = 10447^2 + 3012^2 .

It is a cyclic number.

It is not a de Polignac number, because 118211953 - 2⁹ = 118211441 is a prime.

It is not a weakly prime, because it can be changed into another prime (118211903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59105976 + 59105977.

It is an arithmetic number, because the mean of its divisors is an integer number (59105977).

Almost surely, 2^118211953 is an apocalyptic number.

It is an amenable number.

118211953 is a deficient number, since it is larger than the sum of its proper divisors (1).

118211953 is an equidigital number, since it uses as much as digits as its factorization.

118211953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 31.

The square root of 118211953 is about 10872.5320418015. The cubic root of 118211953 is about 490.7803102392.

The spelling of 118211953 in words is "one hundred eighteen million, two hundred eleven thousand, nine hundred fifty-three".