51050111005005 has 256 divisors, whose sum is σ = 103159341711360. Its totient is φ = 21054123417600.

The previous prime is 51050111005001. The next prime is 51050111005037. The reversal of 51050111005005 is 50050011105015.

It is not a de Polignac number, because 51050111005005 - 2² = 51050111005001 is a prime.

It is a super-2 number, since 2×51050111005005² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050111005001) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 457476777 + ... + 457588353.

It is an arithmetic number, because the mean of its divisors is an integer number (402966178560).

Almost surely, 2^{51050111005005} is an apocalyptic number.

It is an amenable number.

51050111005005 is an abundant number, since it is smaller than the sum of its proper divisors (52109230706355).

51050111005005 is a wasteful number, since it uses less digits than its factorization.

51050111005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111820.

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 51050111005005 in words is "fifty-one trillion, fifty billion, one hundred eleven million, five thousand, five".