11403324311 has 8 divisors (see below), whose sum is σ = 12076795440. Its totient is φ = 10730151808.

The previous prime is 11403324269. The next prime is 11403324329. The reversal of 11403324311 is 11342330411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403324311 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 (11403324341) 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, 6500 + ... + 151158.

It is an arithmetic number, because the mean of its divisors is an integer number (1509599430).

Almost surely, 2^11403324311 is an apocalyptic number.

11403324311 is a deficient number, since it is larger than the sum of its proper divisors (673471129).

11403324311 is a wasteful number, since it uses less digits than its factorization.

11403324311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149313.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11403324311 its reverse (11342330411), we get a palindrome (22745654722).

The spelling of 11403324311 in words is "eleven billion, four hundred three million, three hundred twenty-four thousand, three hundred eleven".