11616043507 has 4 divisors (see below), whose sum is σ = 11620945096. Its totient is φ = 11611141920.

The previous prime is 11616043499. The next prime is 11616043513. The reversal of 11616043507 is 70534061611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11616043507 - 2³ = 11616043499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11616343507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447238 + ... + 2451979.

It is an arithmetic number, because the mean of its divisors is an integer number (2905236274).

Almost surely, 2^11616043507 is an apocalyptic number.

11616043507 is a deficient number, since it is larger than the sum of its proper divisors (4901589).

11616043507 is an equidigital number, since it uses as much as digits as its factorization.

11616043507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901588.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 11616043507 in words is "eleven billion, six hundred sixteen million, forty-three thousand, five hundred seven".