1055205311 has 16 divisors (see below), whose sum is σ = 1119003648. Its totient is φ = 993643200.

The previous prime is 1055205269. The next prime is 1055205329. The reversal of 1055205311 is 1135025501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1055205311 - 2¹⁰ = 1055204287 is a prime.

It is a super-2 number, since 2×1055205311² = 2226916496725213442, 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 (1055205341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169331 + ... + 175451.

It is an arithmetic number, because the mean of its divisors is an integer number (69937728).

Almost surely, 2^1055205311 is an apocalyptic number.

1055205311 is a deficient number, since it is larger than the sum of its proper divisors (63798337).

1055205311 is an equidigital number, since it uses as much as digits as its factorization.

1055205311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1055205311 is about 32483.9238855160. The cubic root of 1055205311 is about 1018.0731633003.

The spelling of 1055205311 in words is "one billion, fifty-five million, two hundred five thousand, three hundred eleven".