11955203598 has 64 divisors (see below), whose sum is σ = 27681776640. Its totient is φ = 3410750592.

The previous prime is 11955203567. The next prime is 11955203609. The reversal of 11955203598 is 89530255911.

11955203598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16165 + ... + 155472.

It is an arithmetic number, because the mean of its divisors is an integer number (432527760).

Almost surely, 2^11955203598 is an apocalyptic number.

11955203598 is an abundant number, since it is smaller than the sum of its proper divisors (15726573042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11955203598 is a wasteful number, since it uses less digits than its factorization.

11955203598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171721.

The product of its (nonzero) digits is 486000, while the sum is 48.

The spelling of 11955203598 in words is "eleven billion, nine hundred fifty-five million, two hundred three thousand, five hundred ninety-eight".