1055000011 has 4 divisors (see below), whose sum is σ = 1136153872. Its totient is φ = 973846152.

The previous prime is 1054999999. The next prime is 1055000017. The reversal of 1055000011 is 1100005501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1055000011 - 2²⁷ = 920782283 is a prime.

It is a super-2 number, since 2×1055000011² = 2226050046420000242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 81153847 = 1055000011 / (1 + 0 + 5 + 5 + 0 + 0 + 0 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1054999955 and 1055000000.

It is not an unprimeable number, because it can be changed into a prime (1055000017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40576911 + ... + 40576936.

It is an arithmetic number, because the mean of its divisors is an integer number (284038468).

Almost surely, 2^1055000011 is an apocalyptic number.

1055000011 is a deficient number, since it is larger than the sum of its proper divisors (81153861).

1055000011 is an equidigital number, since it uses as much as digits as its factorization.

1055000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81153860.

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

The square root of 1055000011 is about 32480.7637071544. The cubic root of 1055000011 is about 1018.0071338193.

Adding to 1055000011 its reverse (1100005501), we get a palindrome (2155005512).

The spelling of 1055000011 in words is "one billion, fifty-five million, eleven", and thus it is an aban number and an uban number.