11421240383 has 16 divisors (see below), whose sum is σ = 13176925440. Its totient is φ = 9696900096.

The previous prime is 11421240361. The next prime is 11421240409. The reversal of 11421240383 is 38304212411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11421240383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421240343) 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, 417791 + ... + 444287.

It is an arithmetic number, because the mean of its divisors is an integer number (823557840).

Almost surely, 2^11421240383 is an apocalyptic number.

11421240383 is a deficient number, since it is larger than the sum of its proper divisors (1755685057).

11421240383 is a wasteful number, since it uses less digits than its factorization.

11421240383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27086.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 11421240383 its reverse (38304212411), we get a palindrome (49725452794).

The spelling of 11421240383 in words is "eleven billion, four hundred twenty-one million, two hundred forty thousand, three hundred eighty-three".