11504530253 has 4 divisors (see below), whose sum is σ = 11505354240. Its totient is φ = 11503706268.

The previous prime is 11504530237. The next prime is 11504530273. The reversal of 11504530253 is 35203540511.

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 not a de Polignac number, because 11504530253 - 2⁴ = 11504530237 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 (11504530273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390683 + ... + 419096.

It is an arithmetic number, because the mean of its divisors is an integer number (2876338560).

Almost surely, 2^11504530253 is an apocalyptic number.

It is an amenable number.

11504530253 is a deficient number, since it is larger than the sum of its proper divisors (823987).

11504530253 is an equidigital number, since it uses as much as digits as its factorization.

11504530253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823986.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 11504530253 in words is "eleven billion, five hundred four million, five hundred thirty thousand, two hundred fifty-three".