11775579201 has 10 divisors (see below), whose sum is σ = 17590680162. Its totient is φ = 7850386080.

The previous prime is 11775579199. The next prime is 11775579203. The reversal of 11775579201 is 10297557711.

11775579201 is a `hidden beast` number, since 1 + 1 + 7 + 7 + 557 + 92 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (11775579199) and next prime (11775579203).

It can be written as a sum of positive squares in only one way, i.e., 10899360000 + 876219201 = 104400^2 + 29601^2 .

It is not a de Polignac number, because 11775579201 - 2¹ = 11775579199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11775579203) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 72688680 + ... + 72688841.

Almost surely, 2^11775579201 is an apocalyptic number.

It is an amenable number.

11775579201 is a deficient number, since it is larger than the sum of its proper divisors (5815100961).

11775579201 is an equidigital number, since it uses as much as digits as its factorization.

11775579201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145377533 (or 145377524 counting only the distinct ones).

The product of its (nonzero) digits is 154350, while the sum is 45.

The spelling of 11775579201 in words is "eleven billion, seven hundred seventy-five million, five hundred seventy-nine thousand, two hundred one".