11155432345 has 8 divisors (see below), whose sum is σ = 13388920776. Its totient is φ = 8922744576.

The previous prime is 11155432333. The next prime is 11155432369. The reversal of 11155432345 is 54323455111.

11155432345 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 6167117961 + 4988314384 = 78531^2 + 70628^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11155432345 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11155432345.

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, 169072 + ... + 225601.

It is an arithmetic number, because the mean of its divisors is an integer number (1673615097).

Almost surely, 2^11155432345 is an apocalyptic number.

It is an amenable number.

11155432345 is a deficient number, since it is larger than the sum of its proper divisors (2233488431).

11155432345 is an equidigital number, since it uses as much as digits as its factorization.

11155432345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400331.

The product of its digits is 36000, while the sum is 34.

Adding to 11155432345 its reverse (54323455111), we get a palindrome (65478887456).

The spelling of 11155432345 in words is "eleven billion, one hundred fifty-five million, four hundred thirty-two thousand, three hundred forty-five".