51100005111064 has 128 divisors (see below), whose sum is σ = 126095979139200. Its totient is φ = 18837867110400.

The previous prime is 51100005111061. The next prime is 51100005111073. The reversal of 51100005111064 is 46011150000115.

51100005111064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51100005111064² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100005111061) 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, 19190419 + ... + 21690370.

It is an arithmetic number, because the mean of its divisors is an integer number (985124837025).

Almost surely, 2^{51100005111064} is an apocalyptic number.

It is an amenable number.

51100005111064 is an abundant number, since it is smaller than the sum of its proper divisors (74995974028136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51100005111064 is a wasteful number, since it uses less digits than its factorization.

51100005111064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40880933 (or 40880929 counting only the distinct ones).

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

Adding to 51100005111064 its reverse (46011150000115), we get a palindrome (97111155111179).

The spelling of 51100005111064 in words is "fifty-one trillion, one hundred billion, five million, one hundred eleven thousand, sixty-four".