1089118911001 has 16 divisors (see below), whose sum is σ = 1213196874048. Its totient is φ = 969416812800.

The previous prime is 1089118910983. The next prime is 1089118911017. The reversal of 1089118911001 is 1001198119801.

It is a cyclic number.

It is not a de Polignac number, because 1089118911001 - 2⁹ = 1089118910489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089118911071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4840035 + ... + 5060056.

It is an arithmetic number, because the mean of its divisors is an integer number (75824804628).

Almost surely, 2^{1089118911001} is an apocalyptic number.

1089118911001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1089118911001 is a deficient number, since it is larger than the sum of its proper divisors (124077963047).

1089118911001 is a wasteful number, since it uses less digits than its factorization.

1089118911001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900312.

The product of its (nonzero) digits is 5184, while the sum is 40.

The spelling of 1089118911001 in words is "one trillion, eighty-nine billion, one hundred eighteen million, nine hundred eleven thousand, one".