11503420242 has 8 divisors (see below), whose sum is σ = 23006840496. Its totient is φ = 3834473412.

The previous prime is 11503420223. The next prime is 11503420259. The reversal of 11503420242 is 24202430511.

It is a sphenic number, since it is the product of 3 distinct primes.

11503420242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958618348 + ... + 958618359.

It is an arithmetic number, because the mean of its divisors is an integer number (2875855062).

Almost surely, 2^11503420242 is an apocalyptic number.

11503420242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11503420242 is a wasteful number, since it uses less digits than its factorization.

11503420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917236712.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 11503420242 its reverse (24202430511), we get a palindrome (35705850753).

The spelling of 11503420242 in words is "eleven billion, five hundred three million, four hundred twenty thousand, two hundred forty-two".