1118685053 has 2 divisors, whose sum is σ = 1118685054. Its totient is φ = 1118685052.

The previous prime is 1118685013. The next prime is 1118685077. The reversal of 1118685053 is 3505868111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000267129 + 118417924 = 31627^2 + 10882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118685053 - 2¹⁰ = 1118684029 is a prime.

It is a super-2 number, since 2×1118685053² = 2502912495611225618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1118684998 and 1118685016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118685013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559342526 + 559342527.

It is an arithmetic number, because the mean of its divisors is an integer number (559342527).

Almost surely, 2^1118685053 is an apocalyptic number.

It is an amenable number.

1118685053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118685053 is an equidigital number, since it uses as much as digits as its factorization.

1118685053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 1118685053 is about 33446.7495132188. The cubic root of 1118685053 is about 1038.0922412994.

The spelling of 1118685053 in words is "one billion, one hundred eighteen million, six hundred eighty-five thousand, fifty-three".