1111101009 has 32 divisors (see below), whose sum is σ = 1571996160. Its totient is φ = 697162752.

The previous prime is 1111101007. The next prime is 1111101071. The reversal of 1111101009 is 9001011111.

It is not a de Polignac number, because 1111101009 - 2¹ = 1111101007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111101007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463117 + ... + 465509.

It is an arithmetic number, because the mean of its divisors is an integer number (49124880).

Almost surely, 2^1111101009 is an apocalyptic number.

It is an amenable number.

1111101009 is a deficient number, since it is larger than the sum of its proper divisors (460895151).

1111101009 is a wasteful number, since it uses less digits than its factorization.

1111101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 9, while the sum is 15.

The square root of 1111101009 is about 33333.1818013222. The cubic root of 1111101009 is about 1035.7410296810.

The spelling of 1111101009 in words is "one billion, one hundred eleven million, one hundred one thousand, nine".