11345414161 has 4 divisors (see below), whose sum is σ = 11364292324. Its totient is φ = 11326536000.

The previous prime is 11345414153. The next prime is 11345414173. The reversal of 11345414161 is 16141454311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10780876561 + 564537600 = 103831^2 + 23760^2 .

It is a cyclic number.

It is not a de Polignac number, because 11345414161 - 2³ = 11345414153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11345414141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9438180 + ... + 9439381.

It is an arithmetic number, because the mean of its divisors is an integer number (2841073081).

Almost surely, 2^11345414161 is an apocalyptic number.

It is an amenable number.

11345414161 is a deficient number, since it is larger than the sum of its proper divisors (18878163).

11345414161 is an equidigital number, since it uses as much as digits as its factorization.

11345414161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18878162.

The product of its digits is 5760, while the sum is 31.

Adding to 11345414161 its reverse (16141454311), we get a palindrome (27486868472).

The spelling of 11345414161 in words is "eleven billion, three hundred forty-five million, four hundred fourteen thousand, one hundred sixty-one".