1100056001 has 4 divisors (see below), whose sum is σ = 1200061104. Its totient is φ = 1000050900.

The previous prime is 1100055967. The next prime is 1100056033. The reversal of 1100056001 is 1006500011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100056001 - 2¹⁴ = 1100039617 is a prime.

It is a super-2 number, since 2×1100056001² = 2420246410672224002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100056051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50002535 + ... + 50002556.

It is an arithmetic number, because the mean of its divisors is an integer number (300015276).

Almost surely, 2^1100056001 is an apocalyptic number.

1100056001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100056001 is a deficient number, since it is larger than the sum of its proper divisors (100005103).

1100056001 is a wasteful number, since it uses less digits than its factorization.

1100056001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100005102.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1100056001 is about 33167.0921396495. The cubic root of 1100056001 is about 1032.2976329527.

Adding to 1100056001 its reverse (1006500011), we get a palindrome (2106556012).

The spelling of 1100056001 in words is "one billion, one hundred million, fifty-six thousand, one".