51051055105110 has 16 divisors (see below), whose sum is σ = 122522532252336. Its totient is φ = 13613614694688.

The previous prime is 51051055105081. The next prime is 51051055105129. The reversal of 51051055105110 is 1150155015015.

It is a happy number.

It is a super-2 number, since 2×51051055105110² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1701701836837 = 51051055105110 / (5 + 1 + 0 + 5 + 1 + 0 + 5 + 5 + 1 + 0 + 5 + 1 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 850850918389 + ... + 850850918448.

It is an arithmetic number, because the mean of its divisors is an integer number (7657658265771).

Almost surely, 2^{51051055105110} is an apocalyptic number.

51051055105110 is an abundant number, since it is smaller than the sum of its proper divisors (71471477147226).

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

51051055105110 is a wasteful number, since it uses less digits than its factorization.

51051055105110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701701836847.

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 51051055105110 in words is "fifty-one trillion, fifty-one billion, fifty-five million, one hundred five thousand, one hundred ten".