11400242013 has 24 divisors (see below), whose sum is σ = 16992327456. Its totient is φ = 7359660000.

The previous prime is 11400242011. The next prime is 11400242057. The reversal of 11400242013 is 31024200411.

11400242013 is a `hidden beast` number, since 11 + 400 + 242 + 0 + 13 = 666.

It is not a de Polignac number, because 11400242013 - 2¹ = 11400242011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400242011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10863 + ... + 151388.

It is an arithmetic number, because the mean of its divisors is an integer number (708013644).

Almost surely, 2^11400242013 is an apocalyptic number.

It is an amenable number.

11400242013 is a deficient number, since it is larger than the sum of its proper divisors (5592085443).

11400242013 is a wasteful number, since it uses less digits than its factorization.

11400242013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162505 (or 162502 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11400242013 its reverse (31024200411), we get a palindrome (42424442424).

The spelling of 11400242013 in words is "eleven billion, four hundred million, two hundred forty-two thousand, thirteen".