11345579673 has 16 divisors (see below), whose sum is σ = 15598578240. Its totient is φ = 7331589824.

The previous prime is 11345579659. The next prime is 11345579681. The reversal of 11345579673 is 37697554311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11345579673 - 2⁴ = 11345579657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11345579473) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 416658 + ... + 443051.

It is an arithmetic number, because the mean of its divisors is an integer number (974911140).

Almost surely, 2^11345579673 is an apocalyptic number.

It is an amenable number.

11345579673 is a deficient number, since it is larger than the sum of its proper divisors (4252998567).

11345579673 is an equidigital number, since it uses as much as digits as its factorization.

11345579673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859848.

The product of its digits is 2381400, while the sum is 51.

The spelling of 11345579673 in words is "eleven billion, three hundred forty-five million, five hundred seventy-nine thousand, six hundred seventy-three".