11550353505 has 16 divisors (see below), whose sum is σ = 18577327104. Its totient is φ = 6127934720.

The previous prime is 11550353491. The next prime is 11550353527. The reversal of 11550353505 is 50535305511.

It is not a de Polignac number, because 11550353505 - 2⁴ = 11550353489 is a prime.

It is a Curzon number.

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, 2012904 + ... + 2018633.

It is an arithmetic number, because the mean of its divisors is an integer number (1161082944).

Almost surely, 2^11550353505 is an apocalyptic number.

11550353505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11550353505 is a deficient number, since it is larger than the sum of its proper divisors (7026973599).

11550353505 is a wasteful number, since it uses less digits than its factorization.

11550353505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031736.

The product of its (nonzero) digits is 28125, while the sum is 33.

The spelling of 11550353505 in words is "eleven billion, five hundred fifty million, three hundred fifty-three thousand, five hundred five".