11285705153 has 4 divisors (see below), whose sum is σ = 11949570180. Its totient is φ = 10621840128.

The previous prime is 11285705143. The next prime is 11285705231. The reversal of 11285705153 is 35150758211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35150758211 = 56989 ⋅616799.

It can be written as a sum of positive squares in 2 ways, for example, as 9835085584 + 1450619569 = 99172^2 + 38087^2 .

It is a cyclic number.

It is not a de Polignac number, because 11285705153 - 2²⁰ = 11284656577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11285705143) 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, 331932488 + ... + 331932521.

It is an arithmetic number, because the mean of its divisors is an integer number (2987392545).

Almost surely, 2^11285705153 is an apocalyptic number.

It is an amenable number.

11285705153 is a deficient number, since it is larger than the sum of its proper divisors (663865027).

11285705153 is an equidigital number, since it uses as much as digits as its factorization.

11285705153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663865026.

The product of its (nonzero) digits is 42000, while the sum is 38.

The spelling of 11285705153 in words is "eleven billion, two hundred eighty-five million, seven hundred five thousand, one hundred fifty-three".