1018000055 has 16 divisors (see below), whose sum is σ = 1256281824. Its totient is φ = 791337600.

The previous prime is 1017999977. The next prime is 1018000057. The reversal of 1018000055 is 5500008101.

It is not a de Polignac number, because 1018000055 - 2¹⁸ = 1017737911 is a prime.

It is a super-2 number, since 2×1018000055² = 2072648223960006050, 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 (1018000057) 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, 154580 + ... + 161030.

It is an arithmetic number, because the mean of its divisors is an integer number (78517614).

Almost surely, 2^1018000055 is an apocalyptic number.

1018000055 is a deficient number, since it is larger than the sum of its proper divisors (238281769).

1018000055 is an equidigital number, since it uses as much as digits as its factorization.

1018000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1018000055 is about 31906.1131289914. The cubic root of 1018000055 is about 1005.9643738528.

Adding to 1018000055 its reverse (5500008101), we get a palindrome (6518008156).

The spelling of 1018000055 in words is "one billion, eighteen million, fifty-five", and thus it is an aban number and an uban number.