811100053 has 2 divisors, whose sum is σ = 811100054. Its totient is φ = 811100052.

The previous prime is 811100029. The next prime is 811100071. The reversal of 811100053 is 350001118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801625969 + 9474084 = 28313^2 + 3078^2 .

It is a cyclic number.

It is not a de Polignac number, because 811100053 - 2⁵ = 811100021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 811100053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (811100093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405550026 + 405550027.

It is an arithmetic number, because the mean of its divisors is an integer number (405550027).

Almost surely, 2^811100053 is an apocalyptic number.

It is an amenable number.

811100053 is a deficient number, since it is larger than the sum of its proper divisors (1).

811100053 is an equidigital number, since it uses as much as digits as its factorization.

811100053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 811100053 is about 28479.8183456285. The cubic root of 811100053 is about 932.5915510744.

The spelling of 811100053 in words is "eight hundred eleven million, one hundred thousand, fifty-three".