11424256400503 has 4 divisors (see below), whose sum is σ = 11424263991448. Its totient is φ = 11424248809560.

The previous prime is 11424256400449. The next prime is 11424256400639. The reversal of 11424256400503 is 30500465242411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11424256400503 - 2¹⁷ = 11424256269431 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 (11424256400903) 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, 692253 + ... + 4829878.

It is an arithmetic number, because the mean of its divisors is an integer number (2856065997862).

Almost surely, 2^{11424256400503} is an apocalyptic number.

11424256400503 is a deficient number, since it is larger than the sum of its proper divisors (7590945).

11424256400503 is an equidigital number, since it uses as much as digits as its factorization.

11424256400503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590944.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 11424256400503 in words is "eleven trillion, four hundred twenty-four billion, two hundred fifty-six million, four hundred thousand, five hundred three".