11285342345 has 4 divisors (see below), whose sum is σ = 13542410820. Its totient is φ = 9028273872.

The previous prime is 11285342329. The next prime is 11285342347. The reversal of 11285342345 is 54324358211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54324358211 = 17 ⋅3195550483.

It can be written as a sum of positive squares in 2 ways, for example, as 4517318521 + 6768023824 = 67211^2 + 82268^2 .

It is a cyclic number.

It is not a de Polignac number, because 11285342345 - 2⁴ = 11285342329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11285342299 and 11285342308.

It is not an unprimeable number, because it can be changed into a prime (11285342347) 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, 1128534230 + ... + 1128534239.

It is an arithmetic number, because the mean of its divisors is an integer number (3385602705).

Almost surely, 2^11285342345 is an apocalyptic number.

It is an amenable number.

11285342345 is a deficient number, since it is larger than the sum of its proper divisors (2257068475).

11285342345 is an equidigital number, since it uses as much as digits as its factorization.

11285342345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257068474.

The product of its digits is 115200, while the sum is 38.

The spelling of 11285342345 in words is "eleven billion, two hundred eighty-five million, three hundred forty-two thousand, three hundred forty-five".