51110101105 has 32 divisors (see below), whose sum is σ = 70953458688. Its totient is φ = 34618752000.

The previous prime is 51110101103. The next prime is 51110101139. The reversal of 51110101105 is 50110101115.

It is not a de Polignac number, because 51110101105 - 2¹ = 51110101103 is a prime.

It is a super-2 number, since 2×51110101105² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51110101103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1513960 + ... + 1547350.

It is an arithmetic number, because the mean of its divisors is an integer number (2217295584).

Almost surely, 2^51110101105 is an apocalyptic number.

It is an amenable number.

51110101105 is a deficient number, since it is larger than the sum of its proper divisors (19843357583).

51110101105 is a wasteful number, since it uses less digits than its factorization.

51110101105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33937.

The product of its (nonzero) digits is 25, while the sum is 16.

It can be divided in two parts, 5111010 and 1105, that added together give a palindrome (5112115).

The spelling of 51110101105 in words is "fifty-one billion, one hundred ten million, one hundred one thousand, one hundred five".