11840288453 has 4 divisors (see below), whose sum is σ = 13531758240. Its totient is φ = 10148818668.

The previous prime is 11840288417. The next prime is 11840288507. The reversal of 11840288453 is 35488204811.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11840288453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840288953) 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, 845734883 + ... + 845734896.

It is an arithmetic number, because the mean of its divisors is an integer number (3382939560).

Almost surely, 2^11840288453 is an apocalyptic number.

It is an amenable number.

11840288453 is a deficient number, since it is larger than the sum of its proper divisors (1691469787).

11840288453 is an equidigital number, since it uses as much as digits as its factorization.

11840288453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691469786.

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 11840288453 in words is "eleven billion, eight hundred forty million, two hundred eighty-eight thousand, four hundred fifty-three".