11321505303 has 16 divisors (see below), whose sum is σ = 16117981440. Its totient is φ = 7051613184.

The previous prime is 11321505263. The next prime is 11321505313. The reversal of 11321505303 is 30350512311.

It is not a de Polignac number, because 11321505303 - 2⁸ = 11321505047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321505313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904938 + ... + 1910871.

It is an arithmetic number, because the mean of its divisors is an integer number (1007373840).

Almost surely, 2^11321505303 is an apocalyptic number.

11321505303 is a deficient number, since it is larger than the sum of its proper divisors (4796476137).

11321505303 is a wasteful number, since it uses less digits than its factorization.

11321505303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815878.

The product of its (nonzero) digits is 1350, while the sum is 24.

The spelling of 11321505303 in words is "eleven billion, three hundred twenty-one million, five hundred five thousand, three hundred three".