51468511123 has 4 divisors (see below), whose sum is σ = 51712437928. Its totient is φ = 51224584320.

The previous prime is 51468511121. The next prime is 51468511151. The reversal of 51468511123 is 32111586415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51468511123 - 2¹ = 51468511121 is a prime.

It is a super-2 number, since 2×51468511123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51468511121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121963086 + ... + 121963507.

It is an arithmetic number, because the mean of its divisors is an integer number (12928109482).

Almost surely, 2^51468511123 is an apocalyptic number.

51468511123 is a deficient number, since it is larger than the sum of its proper divisors (243926805).

51468511123 is a wasteful number, since it uses less digits than its factorization.

51468511123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243926804.

The product of its digits is 28800, while the sum is 37.

The spelling of 51468511123 in words is "fifty-one billion, four hundred sixty-eight million, five hundred eleven thousand, one hundred twenty-three".