11385503053 has 8 divisors (see below), whose sum is σ = 11527234200. Its totient is φ = 11244340800.

The previous prime is 11385503009. The next prime is 11385503071. The reversal of 11385503053 is 35030558311.

It can be written as a sum of positive squares in 4 ways, for example, as 7299480969 + 4086022084 = 85437^2 + 63922^2 .

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 11385503053 - 2¹⁷ = 11385371981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385503093) 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, 101878 + ... + 182071.

It is an arithmetic number, because the mean of its divisors is an integer number (1440904275).

Almost surely, 2^11385503053 is an apocalyptic number.

It is an amenable number.

11385503053 is a deficient number, since it is larger than the sum of its proper divisors (141731147).

11385503053 is a wasteful number, since it uses less digits than its factorization.

11385503053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284447.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 11385503053 in words is "eleven billion, three hundred eighty-five million, five hundred three thousand, fifty-three".