11205605426 has 8 divisors (see below), whose sum is σ = 16825003884. Its totient is φ = 5597270800.

The previous prime is 11205605407. The next prime is 11205605441. The reversal of 11205605426 is 62450650211.

It can be written as a sum of positive squares in 2 ways, for example, as 6458533225 + 4747072201 = 80365^2 + 68899^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11205605392 and 11205605401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763425 + ... + 2767476.

Almost surely, 2^11205605426 is an apocalyptic number.

11205605426 is a deficient number, since it is larger than the sum of its proper divisors (5619398458).

11205605426 is a wasteful number, since it uses less digits than its factorization.

11205605426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531916.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11205605426 in words is "eleven billion, two hundred five million, six hundred five thousand, four hundred twenty-six".