11544051505 has 16 divisors (see below), whose sum is σ = 15835939200. Its totient is φ = 7913872512.

The previous prime is 11544051503. The next prime is 11544051511. The reversal of 11544051505 is 50515044511.

It is not a de Polignac number, because 11544051505 - 2¹ = 11544051503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11544051503) 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, 101346 + ... + 182644.

It is an arithmetic number, because the mean of its divisors is an integer number (989746200).

Almost surely, 2^11544051505 is an apocalyptic number.

It is an amenable number.

11544051505 is a deficient number, since it is larger than the sum of its proper divisors (4291887695).

11544051505 is an equidigital number, since it uses as much as digits as its factorization.

11544051505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85368.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 11544051505 in words is "eleven billion, five hundred forty-four million, fifty-one thousand, five hundred five".