11959913598 has 16 divisors (see below), whose sum is σ = 24152059776. Its totient is φ = 3947932440.

The previous prime is 11959913587. The next prime is 11959913599. The reversal of 11959913598 is 89531995911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11959913599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9675688 + ... + 9676923.

It is an arithmetic number, because the mean of its divisors is an integer number (1509503736).

Almost surely, 2^11959913598 is an apocalyptic number.

11959913598 is an abundant number, since it is smaller than the sum of its proper divisors (12192146178).

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

11959913598 is a wasteful number, since it uses less digits than its factorization.

11959913598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19352719.

The product of its digits is 3936600, while the sum is 60.

The spelling of 11959913598 in words is "eleven billion, nine hundred fifty-nine million, nine hundred thirteen thousand, five hundred ninety-eight".