11155352405 has 8 divisors (see below), whose sum is σ = 13387059000. Its totient is φ = 8923857856.

The previous prime is 11155352389. The next prime is 11155352419. The reversal of 11155352405 is 50425355111.

11155352405 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 7154283889 + 4001068516 = 84583^2 + 63254^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11155352405 - 2⁴ = 11155352389 is a prime.

It is a congruent number.

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, 106211 + ... + 183279.

It is an arithmetic number, because the mean of its divisors is an integer number (1673382375).

Almost surely, 2^11155352405 is an apocalyptic number.

It is an amenable number.

11155352405 is a deficient number, since it is larger than the sum of its proper divisors (2231706595).

11155352405 is an equidigital number, since it uses as much as digits as its factorization.

11155352405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106023.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 11155352405 in words is "eleven billion, one hundred fifty-five million, three hundred fifty-two thousand, four hundred five".