11345361817 has 8 divisors (see below), whose sum is σ = 11801429640. Its totient is φ = 10893617280.

The previous prime is 11345361799. The next prime is 11345361827. The reversal of 11345361817 is 71816354311.

It can be written as a sum of positive squares in 4 ways, for example, as 1095014281 + 10250347536 = 33091^2 + 101244^2 .

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 11345361817 - 2¹⁹ = 11344837529 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 11345361817.

It is not an unprimeable number, because it can be changed into a prime (11345361827) 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, 1075468 + ... + 1085965.

It is an arithmetic number, because the mean of its divisors is an integer number (1475178705).

Almost surely, 2^11345361817 is an apocalyptic number.

It is an amenable number.

11345361817 is a deficient number, since it is larger than the sum of its proper divisors (456067823).

11345361817 is a wasteful number, since it uses less digits than its factorization.

11345361817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161643.

The product of its digits is 60480, while the sum is 40.

The spelling of 11345361817 in words is "eleven billion, three hundred forty-five million, three hundred sixty-one thousand, eight hundred seventeen".