11345577905 has 8 divisors (see below), whose sum is σ = 13663845672. Its totient is φ = 9043694208.

The previous prime is 11345577889. The next prime is 11345577959. The reversal of 11345577905 is 50977554311.

It can be written as a sum of positive squares in 4 ways, for example, as 1335975601 + 10009602304 = 36551^2 + 100048^2 .

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 11345577905 - 2⁴ = 11345577889 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 11345577905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094492 + ... + 4097261.

It is an arithmetic number, because the mean of its divisors is an integer number (1707980709).

Almost surely, 2^11345577905 is an apocalyptic number.

It is an amenable number.

11345577905 is a deficient number, since it is larger than the sum of its proper divisors (2318267767).

11345577905 is an equidigital number, since it uses as much as digits as its factorization.

11345577905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8192035.

The product of its (nonzero) digits is 661500, while the sum is 47.

The spelling of 11345577905 in words is "eleven billion, three hundred forty-five million, five hundred seventy-seven thousand, nine hundred five".