11420231242 has 16 divisors (see below), whose sum is σ = 19646724672. Its totient is φ = 4877088480.

The previous prime is 11420231213. The next prime is 11420231293. The reversal of 11420231242 is 24213202411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437259 + ... + 1445182.

It is an arithmetic number, because the mean of its divisors is an integer number (1227920292).

Almost surely, 2^11420231242 is an apocalyptic number.

11420231242 is a deficient number, since it is larger than the sum of its proper divisors (8226493430).

11420231242 is a wasteful number, since it uses less digits than its factorization.

11420231242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882733.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11420231242 its reverse (24213202411), we get a palindrome (35633433653).

The spelling of 11420231242 in words is "eleven billion, four hundred twenty million, two hundred thirty-one thousand, two hundred forty-two".