51102250141 has 4 divisors (see below), whose sum is σ = 51103150300. Its totient is φ = 51101349984.

The previous prime is 51102250139. The next prime is 51102250151. The reversal of 51102250141 is 14105220115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15019728025 + 36082522116 = 122555^2 + 189954^2 .

It is a cyclic number.

It is not a de Polignac number, because 51102250141 - 2¹ = 51102250139 is a prime.

It is a super-2 number, since 2×51102250141² (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 (51102250151) 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 3 ways as a sum of consecutive naturals, for example, 358746 + ... + 480523.

It is an arithmetic number, because the mean of its divisors is an integer number (12775787575).

Almost surely, 2^51102250141 is an apocalyptic number.

It is an amenable number.

51102250141 is a deficient number, since it is larger than the sum of its proper divisors (900159).

51102250141 is an equidigital number, since it uses as much as digits as its factorization.

51102250141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900158.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 51102250141 its reverse (14105220115), we get a palindrome (65207470256).

The spelling of 51102250141 in words is "fifty-one billion, one hundred two million, two hundred fifty thousand, one hundred forty-one".