51102354241 has 4 divisors (see below), whose sum is σ = 51102820692. Its totient is φ = 51101887792.

The previous prime is 51102354227. The next prime is 51102354253. The reversal of 51102354241 is 14245320115.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17194814641 + 33907539600 = 131129^2 + 184140^2 .

It is a cyclic number.

It is not a de Polignac number, because 51102354241 - 2⁷ = 51102354113 is a prime.

It is a super-2 number, since 2×51102354241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51102354211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30555 + ... + 321151.

It is an arithmetic number, because the mean of its divisors is an integer number (12775705173).

Almost surely, 2^51102354241 is an apocalyptic number.

It is an amenable number.

51102354241 is a deficient number, since it is larger than the sum of its proper divisors (466451).

51102354241 is a wasteful number, since it uses less digits than its factorization.

51102354241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466450.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 51102354241 its reverse (14245320115), we get a palindrome (65347674356).

The spelling of 51102354241 in words is "fifty-one billion, one hundred two million, three hundred fifty-four thousand, two hundred forty-one".