11321524403 has 8 divisors (see below), whose sum is σ = 12940668672. Its totient is φ = 9702826056.

The previous prime is 11321524387. The next prime is 11321524429. The reversal of 11321524403 is 30442512311.

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 11321524403 - 2⁴ = 11321524387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321524103) 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, 55175 + ... + 160272.

It is an arithmetic number, because the mean of its divisors is an integer number (1617583584).

Almost surely, 2^11321524403 is an apocalyptic number.

11321524403 is a deficient number, since it is larger than the sum of its proper divisors (1619144269).

11321524403 is an equidigital number, since it uses as much as digits as its factorization.

11321524403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222961.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 11321524403 in words is "eleven billion, three hundred twenty-one million, five hundred twenty-four thousand, four hundred three".