11155234415 has 32 divisors (see below), whose sum is σ = 14580518400. Its totient is φ = 8144208000.

The previous prime is 11155234379. The next prime is 11155234417. The reversal of 11155234415 is 51443255111.

It is not a de Polignac number, because 11155234415 - 2⁶ = 11155234351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155234417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2265326 + ... + 2270244.

It is an arithmetic number, because the mean of its divisors is an integer number (455641200).

Almost surely, 2^11155234415 is an apocalyptic number.

11155234415 is a deficient number, since it is larger than the sum of its proper divisors (3425283985).

11155234415 is a wasteful number, since it uses less digits than its factorization.

11155234415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its digits is 12000, while the sum is 32.

Adding to 11155234415 its reverse (51443255111), we get a palindrome (62598489526).

The spelling of 11155234415 in words is "eleven billion, one hundred fifty-five million, two hundred thirty-four thousand, four hundred fifteen".