118683553 has 2 divisors, whose sum is σ = 118683554. Its totient is φ = 118683552.

The previous prime is 118683503. The next prime is 118683563. The reversal of 118683553 is 355386811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98863249 + 19820304 = 9943^2 + 4452^2 .

It is a cyclic number.

It is not a de Polignac number, because 118683553 - 2⁹ = 118683041 is a prime.

It is a super-4 number, since 4×118683553⁴ (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (118683503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59341776 + 59341777.

It is an arithmetic number, because the mean of its divisors is an integer number (59341777).

Almost surely, 2^118683553 is an apocalyptic number.

It is an amenable number.

118683553 is a deficient number, since it is larger than the sum of its proper divisors (1).

118683553 is an equidigital number, since it uses as much as digits as its factorization.

118683553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 118683553 is about 10894.1981347872. The cubic root of 118683553 is about 491.4320911591.

The spelling of 118683553 in words is "one hundred eighteen million, six hundred eighty-three thousand, five hundred fifty-three".