11560550401 has 8 divisors (see below), whose sum is σ = 11968957800. Its totient is φ = 11152794240.

The previous prime is 11560550383. The next prime is 11560550413. The reversal of 11560550401 is 10405506511.

It is a happy number.

It is a Cunningham number, because it is equal to 107520²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6062179600 + 5498370801 = 77860^2 + 74151^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11560550401 - 2¹¹ = 11560548353 is a prime.

It is a super-2 number, since 2×11560550401² (a number of 21 digits) contains 22 as substring.

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 11560550401.

It is not an unprimeable number, because it can be changed into a prime (11564550401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126540 + ... + 197821.

It is an arithmetic number, because the mean of its divisors is an integer number (1496119725).

It is a Proth number, since it is equal to 11025 ⋅ 2²⁰ + 1 and 11025 < 2²⁰.

Almost surely, 2^11560550401 is an apocalyptic number.

It is an amenable number.

11560550401 is a deficient number, since it is larger than the sum of its proper divisors (408407399).

11560550401 is a wasteful number, since it uses less digits than its factorization.

11560550401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325619.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 11560550401 in words is "eleven billion, five hundred sixty million, five hundred fifty thousand, four hundred one".