118277383853 has 2 divisors, whose sum is σ = 118277383854. Its totient is φ = 118277383852.

The previous prime is 118277383831. The next prime is 118277383871. The reversal of 118277383853 is 358383772811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89782931044 + 28494452809 = 299638^2 + 168803^2 .

It is an emirp because it is prime and its reverse (358383772811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118277383853 - 2¹⁶ = 118277318317 is a prime.

It is a super-2 number, since 2×118277383853² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118277383823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59138691926 + 59138691927.

It is an arithmetic number, because the mean of its divisors is an integer number (59138691927).

Almost surely, 2^118277383853 is an apocalyptic number.

It is an amenable number.

118277383853 is a deficient number, since it is larger than the sum of its proper divisors (1).

118277383853 is an equidigital number, since it uses as much as digits as its factorization.

118277383853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 56.

The spelling of 118277383853 in words is "one hundred eighteen billion, two hundred seventy-seven million, three hundred eighty-three thousand, eight hundred fifty-three".