11520302453 has 8 divisors (see below), whose sum is σ = 12571107456. Its totient is φ = 10470081600.

The previous prime is 11520302419. The next prime is 11520302459. The reversal of 11520302453 is 35420302511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11520302453 - 2²⁰ = 11519253877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520302459) 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, 104276 + ... + 184157.

It is an arithmetic number, because the mean of its divisors is an integer number (1571388432).

Almost surely, 2^11520302453 is an apocalyptic number.

It is an amenable number.

11520302453 is a deficient number, since it is larger than the sum of its proper divisors (1050805003).

11520302453 is a wasteful number, since it uses less digits than its factorization.

11520302453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292075.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 11520302453 its reverse (35420302511), we get a palindrome (46940604964).

The spelling of 11520302453 in words is "eleven billion, five hundred twenty million, three hundred two thousand, four hundred fifty-three".