51110105560 has 16 divisors (see below), whose sum is σ = 114997737600. Its totient is φ = 20444042208.

The previous prime is 51110105537. The next prime is 51110105567. The reversal of 51110105560 is 6550101115.

It is a super-2 number, since 2×51110105560² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51110105567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638876280 + ... + 638876359.

It is an arithmetic number, because the mean of its divisors is an integer number (7187358600).

Almost surely, 2^51110105560 is an apocalyptic number.

It is an amenable number.

51110105560 is an abundant number, since it is smaller than the sum of its proper divisors (63887632040).

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

51110105560 is a wasteful number, since it uses less digits than its factorization.

51110105560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277752650 (or 1277752646 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 51110105560 its reverse (6550101115), we get a palindrome (57660206675).

It can be divided in two parts, 511101055 and 60, that added together give a palindrome (511101115).

The spelling of 51110105560 in words is "fifty-one billion, one hundred ten million, one hundred five thousand, five hundred sixty".