11303012123311 has 4 divisors (see below), whose sum is σ = 11303025858000. Its totient is φ = 11302998388624.

The previous prime is 11303012123297. The next prime is 11303012123321. The reversal of 11303012123311 is 11332121030311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11303012123311 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 (11303012123321) 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, 5548486 + ... + 7306963.

It is an arithmetic number, because the mean of its divisors is an integer number (2825756464500).

Almost surely, 2^{11303012123311} is an apocalyptic number.

11303012123311 is a deficient number, since it is larger than the sum of its proper divisors (13734689).

11303012123311 is an equidigital number, since it uses as much as digits as its factorization.

11303012123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13734688.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11303012123311 its reverse (11332121030311), we get a palindrome (22635133153622).

The spelling of 11303012123311 in words is "eleven trillion, three hundred three billion, twelve million, one hundred twenty-three thousand, three hundred eleven".