11201670505 has 16 divisors (see below), whose sum is σ = 13749606144. Its totient is φ = 8756869120.

The previous prime is 11201670503. The next prime is 11201670509. The reversal of 11201670505 is 50507610211.

It is not a de Polignac number, because 11201670505 - 2¹ = 11201670503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201670503) 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, 113454 + ... + 187816.

It is an arithmetic number, because the mean of its divisors is an integer number (859350384).

Almost surely, 2^11201670505 is an apocalyptic number.

It is an amenable number.

11201670505 is a deficient number, since it is larger than the sum of its proper divisors (2547935639).

11201670505 is an equidigital number, since it uses as much as digits as its factorization.

11201670505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75056.

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 11201670505 in words is "eleven billion, two hundred one million, six hundred seventy thousand, five hundred five".