11403111442 has 16 divisors (see below), whose sum is σ = 17914228992. Its totient is φ = 5433531840.

The previous prime is 11403111427. The next prime is 11403111449. The reversal of 11403111442 is 24411130411.

11403111442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11403111449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444903 + ... + 469834.

It is an arithmetic number, because the mean of its divisors is an integer number (1119639312).

Almost surely, 2^11403111442 is an apocalyptic number.

11403111442 is a deficient number, since it is larger than the sum of its proper divisors (6511117550).

11403111442 is a wasteful number, since it uses less digits than its factorization.

11403111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915033.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11403111442 its reverse (24411130411), we get a palindrome (35814241853).

The spelling of 11403111442 in words is "eleven billion, four hundred three million, one hundred eleven thousand, four hundred forty-two".