51011110506004 has 96 divisors (see below), whose sum is σ = 98117663616000. Its totient is φ = 23013087552000.

The previous prime is 51011110505989. The next prime is 51011110506007. The reversal of 51011110506004 is 40060501111015.

51011110506004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51011110506004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51011110506007) 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 31 ways as a sum of consecutive naturals, for example, 5611161499 + ... + 5611170589.

It is an arithmetic number, because the mean of its divisors is an integer number (1022058996000).

Almost surely, 2^{51011110506004} is an apocalyptic number.

It is an amenable number.

51011110506004 is a deficient number, since it is larger than the sum of its proper divisors (47106553109996).

51011110506004 is a wasteful number, since it uses less digits than its factorization.

51011110506004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925 (or 10923 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 51011110506004 its reverse (40060501111015), we get a palindrome (91071611617019).

The spelling of 51011110506004 in words is "fifty-one trillion, eleven billion, one hundred ten million, five hundred six thousand, four".