1100011161549 has 4 divisors (see below), whose sum is σ = 1466681548736. Its totient is φ = 733340774364.

The previous prime is 1100011161523. The next prime is 1100011161611. The reversal of 1100011161549 is 9451611100011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1100011161549 - 2³⁵ = 1065651423181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100011161349) 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, 183335193589 + ... + 183335193594.

It is an arithmetic number, because the mean of its divisors is an integer number (366670387184).

Almost surely, 2^{1100011161549} is an apocalyptic number.

It is an amenable number.

1100011161549 is a deficient number, since it is larger than the sum of its proper divisors (366670387187).

1100011161549 is an equidigital number, since it uses as much as digits as its factorization.

1100011161549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366670387186.

The product of its (nonzero) digits is 1080, while the sum is 30.

The spelling of 1100011161549 in words is "one trillion, one hundred billion, eleven million, one hundred sixty-one thousand, five hundred forty-nine".