11205650417 has 16 divisors (see below), whose sum is σ = 12127041360. Its totient is φ = 10292846592.

The previous prime is 11205650369. The next prime is 11205650437. The reversal of 11205650417 is 71405650211.

It can be written as a sum of positive squares in 8 ways, for example, as 4945043041 + 6260607376 = 70321^2 + 79124^2 .

It is a cyclic number.

It is not a de Polignac number, because 11205650417 - 2²⁰ = 11204601841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11205650437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4254533 + ... + 4257165.

It is an arithmetic number, because the mean of its divisors is an integer number (757940085).

Almost surely, 2^11205650417 is an apocalyptic number.

It is an amenable number.

11205650417 is a deficient number, since it is larger than the sum of its proper divisors (921390943).

11205650417 is a wasteful number, since it uses less digits than its factorization.

11205650417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 11205650417 in words is "eleven billion, two hundred five million, six hundred fifty thousand, four hundred seventeen".