51097185105 has 8 divisors (see below), whose sum is σ = 81755496192. Its totient is φ = 27251832048.

The previous prime is 51097185103. The next prime is 51097185131. The reversal of 51097185105 is 50158179015.

51097185105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51097185105 - 2¹ = 51097185103 is a prime.

It is a super-2 number, since 2×51097185105² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51097185103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703239489 + ... + 1703239518.

It is an arithmetic number, because the mean of its divisors is an integer number (10219437024).

Almost surely, 2^51097185105 is an apocalyptic number.

It is an amenable number.

51097185105 is a deficient number, since it is larger than the sum of its proper divisors (30658311087).

51097185105 is a wasteful number, since it uses less digits than its factorization.

51097185105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406479015.

The product of its (nonzero) digits is 63000, while the sum is 42.

The spelling of 51097185105 in words is "fifty-one billion, ninety-seven million, one hundred eighty-five thousand, one hundred five".