51105105100005 has 32 divisors (see below), whose sum is σ = 90203903614080. Its totient is φ = 24499825658880.

The previous prime is 51105105099991. The next prime is 51105105100057. The reversal of 51105105100005 is 50000150150115.

It is not a de Polignac number, because 51105105100005 - 2¹⁰ = 51105105098981 is a prime.

It is a super-2 number, since 2×51105105100005² (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 31 ways as a sum of consecutive naturals, for example, 1740029752 + ... + 1740059121.

It is an arithmetic number, because the mean of its divisors is an integer number (2818871987940).

Almost surely, 2^{51105105100005} is an apocalyptic number.

51105105100005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51105105100005 is a deficient number, since it is larger than the sum of its proper divisors (39098798514075).

51105105100005 is a wasteful number, since it uses less digits than its factorization.

51105105100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480088981.

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

The spelling of 51105105100005 in words is "fifty-one trillion, one hundred five billion, one hundred five million, one hundred thousand, five".