51110065004 has 36 divisors (see below), whose sum is σ = 95046006384. Its totient is φ = 24043550976.

The previous prime is 51110065001. The next prime is 51110065031. The reversal of 51110065004 is 40056001115.

It is a super-2 number, since 2×51110065004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51110065001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4552502 + ... + 4563714.

It is an arithmetic number, because the mean of its divisors is an integer number (2640166844).

Almost surely, 2^51110065004 is an apocalyptic number.

It is an amenable number.

51110065004 is a deficient number, since it is larger than the sum of its proper divisors (43935941380).

51110065004 is a wasteful number, since it uses less digits than its factorization.

51110065004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15194 (or 15175 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 51110065004 its reverse (40056001115), we get a palindrome (91166066119).

The spelling of 51110065004 in words is "fifty-one billion, one hundred ten million, sixty-five thousand, four".