11505200353 has 4 divisors (see below), whose sum is σ = 11505518640. Its totient is φ = 11504882068.

The previous prime is 11505200327. The next prime is 11505200387. The reversal of 11505200353 is 35300250511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35300250511 = 12041 ⋅2931671.

It is a cyclic number.

It is not a de Polignac number, because 11505200353 - 2²⁵ = 11471645921 is a prime.

It is a super-3 number, since 3×11505200353³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11505200393) 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, 96775 + ... + 179932.

It is an arithmetic number, because the mean of its divisors is an integer number (2876379660).

Almost surely, 2^11505200353 is an apocalyptic number.

It is an amenable number.

11505200353 is a deficient number, since it is larger than the sum of its proper divisors (318287).

11505200353 is an equidigital number, since it uses as much as digits as its factorization.

11505200353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318286.

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 11505200353 its reverse (35300250511), we get a palindrome (46805450864).

The spelling of 11505200353 in words is "eleven billion, five hundred five million, two hundred thousand, three hundred fifty-three".