1053666111 has 4 divisors (see below), whose sum is σ = 1404888152. Its totient is φ = 702444072.

The previous prime is 1053666083. The next prime is 1053666121. The reversal of 1053666111 is 1116663501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1053666111 - 2¹⁰ = 1053665087 is a prime.

It is a super-2 number, since 2×1053666111² = 2220424546939728642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053666121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175611016 + ... + 175611021.

It is an arithmetic number, because the mean of its divisors is an integer number (351222038).

Almost surely, 2^1053666111 is an apocalyptic number.

1053666111 is a deficient number, since it is larger than the sum of its proper divisors (351222041).

1053666111 is an equidigital number, since it uses as much as digits as its factorization.

1053666111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351222040.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1053666111 is about 32460.2235204873. The cubic root of 1053666111 is about 1017.5779103110.

The spelling of 1053666111 in words is "one billion, fifty-three million, six hundred sixty-six thousand, one hundred eleven".