1055100000 has 144 divisors (see below), whose sum is σ = 3462809616. Its totient is φ = 281280000.

The previous prime is 1055099993. The next prime is 1055100017. The reversal of 1055100000 is 15501.

1055100000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055100000² = 2226472020000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298242 + ... + 301758.

It is an arithmetic number, because the mean of its divisors is an integer number (24047289).

Almost surely, 2^1055100000 is an apocalyptic number.

1055100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731404808).

1055100000 is an abundant number, since it is smaller than the sum of its proper divisors (2407709616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055100000 is an frugal number, since it uses more digits than its factorization.

1055100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 1055100000 is about 32482.3028740267. The cubic root of 1055100000 is about 1018.0392937873.

Adding to 1055100000 its reverse (15501), we get a palindrome (1055115501).

The spelling of 1055100000 in words is "one billion, fifty-five million, one hundred thousand".