11599697427 has 8 divisors (see below), whose sum is σ = 15662039040. Its totient is φ = 7635243720.

The previous prime is 11599697383. The next prime is 11599697497. The reversal of 11599697427 is 72479699511.

11599697427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11599697427 - 2⁸ = 11599697171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11599697497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24471699 + ... + 24472172.

It is an arithmetic number, because the mean of its divisors is an integer number (1957754880).

Almost surely, 2^11599697427 is an apocalyptic number.

11599697427 is a deficient number, since it is larger than the sum of its proper divisors (4062341613).

11599697427 is an equidigital number, since it uses as much as digits as its factorization.

11599697427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48943953.

The product of its digits is 8573040, while the sum is 60.

The spelling of 11599697427 in words is "eleven billion, five hundred ninety-nine million, six hundred ninety-seven thousand, four hundred twenty-seven".