5120111667501 has 8 divisors (see below), whose sum is σ = 7585350618560. Its totient is φ = 3413407778316.

The previous prime is 5120111667497. The next prime is 5120111667521. The reversal of 5120111667501 is 1057661110215.

5120111667501 is a `hidden beast` number, since 5 + 120 + 11 + 16 + 6 + 7 + 501 = 666.

It is not a de Polignac number, because 5120111667501 - 2² = 5120111667497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120111667521) 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 7 ways as a sum of consecutive naturals, for example, 94816882705 + ... + 94816882758.

It is an arithmetic number, because the mean of its divisors is an integer number (948168827320).

Almost surely, 2^{5120111667501} is an apocalyptic number.

It is an amenable number.

5120111667501 is a deficient number, since it is larger than the sum of its proper divisors (2465238951059).

5120111667501 is a wasteful number, since it uses less digits than its factorization.

5120111667501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189633765472 (or 189633765466 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

Adding to 5120111667501 its reverse (1057661110215), we get a palindrome (6177772777716).

The spelling of 5120111667501 in words is "five trillion, one hundred twenty billion, one hundred eleven million, six hundred sixty-seven thousand, five hundred one".