51105511110606 has 32 divisors (see below), whose sum is σ = 111955277895840. Its totient is φ = 15480235954176.

The previous prime is 51105511110569. The next prime is 51105511110631. The reversal of 51105511110606 is 60601111550115.

It is a super-2 number, since 2×51105511110606² (a number of 28 digits) contains 22 as substring.

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, 8638521571 + ... + 8638527486.

It is an arithmetic number, because the mean of its divisors is an integer number (3498602434245).

Almost surely, 2^{51105511110606} is an apocalyptic number.

51105511110606 is an abundant number, since it is smaller than the sum of its proper divisors (60849766785234).

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

51105511110606 is a wasteful number, since it uses less digits than its factorization.

51105511110606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17277049108.

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 51105511110606 in words is "fifty-one trillion, one hundred five billion, five hundred eleven million, one hundred ten thousand, six hundred six".