20111140241 has 8 divisors (see below), whose sum is σ = 20163686400. Its totient is φ = 20058639040.

The previous prime is 20111140201. The next prime is 20111140249. The reversal of 20111140241 is 14204111102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20111140241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111140249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001225 + ... + 1021113.

It is an arithmetic number, because the mean of its divisors is an integer number (2520460800).

Almost surely, 2^20111140241 is an apocalyptic number.

It is an amenable number.

20111140241 is a deficient number, since it is larger than the sum of its proper divisors (52546159).

20111140241 is a wasteful number, since it uses less digits than its factorization.

20111140241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22479.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20111140241 its reverse (14204111102), we get a palindrome (34315251343).

The spelling of 20111140241 in words is "twenty billion, one hundred eleven million, one hundred forty thousand, two hundred forty-one".