5120142111 has 40 divisors (see below), whose sum is σ = 8747126784. Its totient is φ = 2923834320.

The previous prime is 5120142047. The next prime is 5120142149. The reversal of 5120142111 is 1112410215.

5120142111 is a `hidden beast` number, since 512 + 0 + 1 + 42 + 111 = 666.

It is not a de Polignac number, because 5120142111 - 2⁶ = 5120142047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120142151) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1508226 + ... + 1511616.

Almost surely, 2^5120142111 is an apocalyptic number.

5120142111 is a deficient number, since it is larger than the sum of its proper divisors (3626984673).

5120142111 is a wasteful number, since it uses less digits than its factorization.

5120142111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073 (or 6064 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 5120142111 is about 71555.1683039038. The cubic root of 5120142111 is about 1723.5636981732.

Adding to 5120142111 its reverse (1112410215), we get a palindrome (6232552326).

The spelling of 5120142111 in words is "five billion, one hundred twenty million, one hundred forty-two thousand, one hundred eleven".