1055100100 has 18 divisors (see below), whose sum is σ = 2289567434. Its totient is φ = 422040000.

The previous prime is 1055100089. The next prime is 1055100107. The reversal of 1055100100 is 10015501.

It can be written as a sum of positive squares in 3 ways, for example, as 16842816 + 1038257284 = 4104^2 + 32222^2 .

It is a super-2 number, since 2×1055100100² = 2226472442040020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055100107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5275401 + ... + 5275600.

Almost surely, 2^1055100100 is an apocalyptic number.

1055100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055100100 is an abundant number, since it is smaller than the sum of its proper divisors (1234467334).

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

1055100100 is a wasteful number, since it uses less digits than its factorization.

1055100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551015 (or 10551008 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 1055100100 is about 32482.3044133263. The cubic root of 1055100100 is about 1018.0393259498.

Adding to 1055100100 its reverse (10015501), we get a palindrome (1065115601).

The spelling of 1055100100 in words is "one billion, fifty-five million, one hundred thousand, one hundred".