11401443242 has 32 divisors (see below), whose sum is σ = 19854301824. Its totient is φ = 4809369600.

The previous prime is 11401443239. The next prime is 11401443281. The reversal of 11401443242 is 24234410411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490442 + ... + 513162.

It is an arithmetic number, because the mean of its divisors is an integer number (620446932).

Almost surely, 2^11401443242 is an apocalyptic number.

11401443242 is a deficient number, since it is larger than the sum of its proper divisors (8452858582).

11401443242 is a wasteful number, since it uses less digits than its factorization.

11401443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23294.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 11401443242 its reverse (24234410411), we get a palindrome (35635853653).

The spelling of 11401443242 in words is "eleven billion, four hundred one million, four hundred forty-three thousand, two hundred forty-two".