51124410401 has 4 divisors (see below), whose sum is σ = 52089021972. Its totient is φ = 50159798832.

The previous prime is 51124410371. The next prime is 51124410427. The reversal of 51124410401 is 10401442115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10401442115 = 5 ⋅2080288423.

It can be written as a sum of positive squares in 2 ways, for example, as 22846624801 + 28277785600 = 151151^2 + 168160^2 .

It is a cyclic number.

It is not a de Polignac number, because 51124410401 - 2¹⁴ = 51124394017 is a prime.

It is a super-2 number, since 2×51124410401² (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 (51124410101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482305706 + ... + 482305811.

It is an arithmetic number, because the mean of its divisors is an integer number (13022255493).

Almost surely, 2^51124410401 is an apocalyptic number.

It is an amenable number.

51124410401 is a deficient number, since it is larger than the sum of its proper divisors (964611571).

51124410401 is an equidigital number, since it uses as much as digits as its factorization.

51124410401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964611570.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 51124410401 its reverse (10401442115), we get a palindrome (61525852516).

The spelling of 51124410401 in words is "fifty-one billion, one hundred twenty-four million, four hundred ten thousand, four hundred one".