51116302141 has 8 divisors (see below), whose sum is σ = 51826764024. Its totient is φ = 50406117120.

The previous prime is 51116302087. The next prime is 51116302207. The reversal of 51116302141 is 14120361115.

It can be written as a sum of positive squares in 4 ways, for example, as 3594482116 + 47521820025 = 59954^2 + 217995^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51116302141 - 2⁹ = 51116301629 is a prime.

It is a super-2 number, since 2×51116302141² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51116302541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317505 + ... + 450601.

It is an arithmetic number, because the mean of its divisors is an integer number (6478345503).

Almost surely, 2^51116302141 is an apocalyptic number.

It is an amenable number.

51116302141 is a deficient number, since it is larger than the sum of its proper divisors (710461883).

51116302141 is a wasteful number, since it uses less digits than its factorization.

51116302141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138431.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 51116302141 its reverse (14120361115), we get a palindrome (65236663256).

The spelling of 51116302141 in words is "fifty-one billion, one hundred sixteen million, three hundred two thousand, one hundred forty-one".