11611106545 has 8 divisors (see below), whose sum is σ = 13944672360. Its totient is φ = 9281322240.

The previous prime is 11611106503. The next prime is 11611106581. The reversal of 11611106545 is 54560111611.

11611106545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1263944704 + 10347161841 = 35552^2 + 101721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11611106545 - 2⁷ = 11611106417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938616 + ... + 950905.

It is an arithmetic number, because the mean of its divisors is an integer number (1743084045).

Almost surely, 2^11611106545 is an apocalyptic number.

It is an amenable number.

11611106545 is a deficient number, since it is larger than the sum of its proper divisors (2333565815).

11611106545 is a wasteful number, since it uses less digits than its factorization.

11611106545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890755.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 11611106545 in words is "eleven billion, six hundred eleven million, one hundred six thousand, five hundred forty-five".