11235434505 has 16 divisors (see below), whose sum is σ = 17979218304. Its totient is φ = 5991390720.

The previous prime is 11235434491. The next prime is 11235434537. The reversal of 11235434505 is 50543453211.

It is not a de Polignac number, because 11235434505 - 2¹⁰ = 11235433481 is a prime.

It is a super-2 number, since 2×11235434505² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66585 + ... + 164025.

It is an arithmetic number, because the mean of its divisors is an integer number (1123701144).

Almost surely, 2^11235434505 is an apocalyptic number.

11235434505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11235434505 is a deficient number, since it is larger than the sum of its proper divisors (6743783799).

11235434505 is an equidigital number, since it uses as much as digits as its factorization.

11235434505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105136.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 11235434505 its reverse (50543453211), we get a palindrome (61778887716).

The spelling of 11235434505 in words is "eleven billion, two hundred thirty-five million, four hundred thirty-four thousand, five hundred five".