11953575359 has 6 divisors (see below), whose sum is σ = 13139054040. Its totient is φ = 10866886580.

The previous prime is 11953575349. The next prime is 11953575367. The reversal of 11953575359 is 95357535911.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11953575359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11953575359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11953575349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49394819 + ... + 49395060.

It is an arithmetic number, because the mean of its divisors is an integer number (2189842340).

Almost surely, 2^11953575359 is an apocalyptic number.

11953575359 is a deficient number, since it is larger than the sum of its proper divisors (1185478681).

11953575359 is an equidigital number, since it uses as much as digits as its factorization.

11953575359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98789901 (or 98789890 counting only the distinct ones).

The product of its digits is 3189375, while the sum is 53.

The spelling of 11953575359 in words is "eleven billion, nine hundred fifty-three million, five hundred seventy-five thousand, three hundred fifty-nine".