51110005104 has 80 divisors (see below), whose sum is σ = 147362790400. Its totient is φ = 16960238784.

The previous prime is 51110005097. The next prime is 51110005123. The reversal of 51110005104 is 40150001115.

It is a happy number.

51110005104 is a `hidden beast` number, since 51 + 1 + 100 + 0 + 510 + 4 = 666.

51110005104 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 2×51110005104² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168934 + ... + 361605.

It is an arithmetic number, because the mean of its divisors is an integer number (1842034880).

Almost surely, 2^51110005104 is an apocalyptic number.

51110005104 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51110005104 is an abundant number, since it is smaller than the sum of its proper divisors (96252785296).

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

51110005104 is a wasteful number, since it uses less digits than its factorization.

51110005104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530779 (or 530767 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 51110005104 its reverse (40150001115), we get a palindrome (91260006219).

The spelling of 51110005104 in words is "fifty-one billion, one hundred ten million, five thousand, one hundred four".