2111540242150 has 24 divisors (see below), whose sum is σ = 3932455349160. Its totient is φ = 843542871360.

The previous prime is 2111540242139. The next prime is 2111540242151. The reversal of 2111540242150 is 512420451112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111540242151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26790895 + ... + 26869594.

It is an arithmetic number, because the mean of its divisors is an integer number (163852306215).

Almost surely, 2^{2111540242150} is an apocalyptic number.

2111540242150 is a deficient number, since it is larger than the sum of its proper divisors (1820915107010).

2111540242150 is a wasteful number, since it uses less digits than its factorization.

2111540242150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53661288 (or 53661283 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 2111540242150 its reverse (512420451112), we get a palindrome (2623960693262).

The spelling of 2111540242150 in words is "two trillion, one hundred eleven billion, five hundred forty million, two hundred forty-two thousand, one hundred fifty".