11303942401 has 4 divisors (see below), whose sum is σ = 11315102292. Its totient is φ = 11292782512.

The previous prime is 11303942389. The next prime is 11303942407. The reversal of 11303942401 is 10424930311.

It is a Cunningham number, because it is equal to 106320²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10424930311 = 1447 ⋅7204513.

It can be written as a sum of positive squares in 2 ways, for example, as 22316176 + 11281626225 = 4724^2 + 106215^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303942401 - 2⁵ = 11303942369 is a prime.

It is a super-3 number, since 3×11303942401³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11303942401.

It is not an unprimeable number, because it can be changed into a prime (11303942407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578426 + ... + 5580451.

It is an arithmetic number, because the mean of its divisors is an integer number (2828775573).

Almost surely, 2^11303942401 is an apocalyptic number.

It is an amenable number.

11303942401 is a deficient number, since it is larger than the sum of its proper divisors (11159891).

11303942401 is a wasteful number, since it uses less digits than its factorization.

11303942401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159890.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 11303942401 in words is "eleven billion, three hundred three million, nine hundred forty-two thousand, four hundred one".