1101056011 has 4 divisors (see below), whose sum is σ = 1201152024. Its totient is φ = 1000960000.

The previous prime is 1101055993. The next prime is 1101056057. The reversal of 1101056011 is 1106501011.

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 1101056011 - 2¹³ = 1101047819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101056111) 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, 50047990 + ... + 50048011.

It is an arithmetic number, because the mean of its divisors is an integer number (300288006).

Almost surely, 2^1101056011 is an apocalyptic number.

1101056011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101056011 is a deficient number, since it is larger than the sum of its proper divisors (100096013).

1101056011 is a wasteful number, since it uses less digits than its factorization.

1101056011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100096012.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1101056011 is about 33182.1640493805. The cubic root of 1101056011 is about 1032.6103428829.

Adding to 1101056011 its reverse (1106501011), we get a palindrome (2207557022).

The spelling of 1101056011 in words is "one billion, one hundred one million, fifty-six thousand, eleven".