1055122311 has 16 divisors (see below), whose sum is σ = 1447931520. Its totient is φ = 683151840.

The previous prime is 1055122301. The next prime is 1055122319. The reversal of 1055122311 is 1132215501.

It is not a de Polignac number, because 1055122311 - 2⁵ = 1055122279 is a prime.

It is a super-2 number, since 2×1055122311² = 2226566182339961442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055122319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21220 + ... + 50601.

It is an arithmetic number, because the mean of its divisors is an integer number (90495720).

Almost surely, 2^1055122311 is an apocalyptic number.

1055122311 is a deficient number, since it is larger than the sum of its proper divisors (392809209).

1055122311 is an equidigital number, since it uses as much as digits as its factorization.

1055122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71966.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1055122311 is about 32482.6463053736. The cubic root of 1055122311 is about 1018.0464695099.

Adding to 1055122311 its reverse (1132215501), we get a palindrome (2187337812).

The spelling of 1055122311 in words is "one billion, fifty-five million, one hundred twenty-two thousand, three hundred eleven".