11315600563409 has 4 divisors (see below), whose sum is σ = 11345937294516. Its totient is φ = 11285263832304.

The previous prime is 11315600563387. The next prime is 11315600563457. The reversal of 11315600563409 is 90436500651311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8017392250000 + 3298208313409 = 2831500^2 + 1816097^2 .

It is a cyclic number.

It is not a de Polignac number, because 11315600563409 - 2¹² = 11315600559313 is a prime.

It is a super-2 number, since 2×11315600563409² (a number of 27 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 11315600563409.

It is not an unprimeable number, because it can be changed into a prime (11315602563409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15168364994 + ... + 15168365739.

It is an arithmetic number, because the mean of its divisors is an integer number (2836484323629).

Almost surely, 2^{11315600563409} is an apocalyptic number.

It is an amenable number.

11315600563409 is a deficient number, since it is larger than the sum of its proper divisors (30336731107).

11315600563409 is an equidigital number, since it uses as much as digits as its factorization.

11315600563409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30336731106.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 11315600563409 in words is "eleven trillion, three hundred fifteen billion, six hundred million, five hundred sixty-three thousand, four hundred nine".