1113001011 has 6 divisors (see below), whose sum is σ = 1607668140. Its totient is φ = 742000668.

The previous prime is 1113001003. The next prime is 1113001061. The reversal of 1113001011 is 1101003111.

It is not a de Polignac number, because 1113001011 - 2³ = 1113001003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 123666779 = 1113001011 / (1 + 1 + 1 + 3 + 0 + 0 + 1 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1113000984 and 1113001002.

It is not an unprimeable number, because it can be changed into a prime (1113001061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61833381 + ... + 61833398.

It is an arithmetic number, because the mean of its divisors is an integer number (267944690).

Almost surely, 2^1113001011 is an apocalyptic number.

1113001011 is a deficient number, since it is larger than the sum of its proper divisors (494667129).

1113001011 is a wasteful number, since it uses less digits than its factorization.

1113001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123666785 (or 123666782 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 1113001011 is about 33361.6697873473. The cubic root of 1113001011 is about 1036.3310718572.

Adding to 1113001011 its reverse (1101003111), we get a palindrome (2214004122).

The spelling of 1113001011 in words is "one billion, one hundred thirteen million, one thousand, eleven".